SELECT 
  DISTINCT(
    cscart_ab__video_gallery_descriptions.video_path
  ), 
  videos.video_id, 
  videos.product_id, 
  videos.status, 
  videos.pos, 
  videos.product_pos_type, 
  videos.product_pos, 
  videos.type, 
  videos.autoplay, 
  videos.show_in_list, 
  videos.settings, 
  videos.icon_type, 
  videos.storefront_id, 
  cscart_ab__video_gallery_descriptions.title, 
  cscart_ab__video_gallery_descriptions.description 
FROM 
  cscart_ab__video_gallery AS videos 
  LEFT JOIN cscart_ab__video_gallery_descriptions ON cscart_ab__video_gallery_descriptions.video_id = videos.video_id 
  AND cscart_ab__video_gallery_descriptions.lang_code = 'en' 
WHERE 
  1 
  AND videos.storefront_id IN (1, 0) 
  AND videos.type NOT IN ('H', 'R') 
  AND videos.autoplay = 'N' 
  AND videos.product_id IN (
    SELECT 
      products.product_id 
    FROM 
      cscart_products as products 
      LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
      AND descr1.lang_code = 'en' 
      LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id 
      AND prices.lower_limit = 1 
      LEFT JOIN cscart_companies AS companies ON companies.company_id = products.company_id 
      INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
      INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
      AND (
        cscart_categories.usergroup_ids = '' 
        OR FIND_IN_SET(
          0, cscart_categories.usergroup_ids
        ) 
        OR FIND_IN_SET(
          1, cscart_categories.usergroup_ids
        )
      ) 
      AND cscart_categories.status IN ('A', 'H') 
      AND cscart_categories.storefront_id IN (0, 1) 
      LEFT JOIN cscart_ult_product_descriptions shared_descr ON shared_descr.product_id = products.product_id 
      AND shared_descr.company_id = 1 
      AND shared_descr.lang_code = 'en' 
    WHERE 
      1 
      AND cscart_categories.category_id IN (234, 235, 236, 237, 238, 240) 
      AND companies.status IN ('A') 
      AND (
        products.usergroup_ids = '' 
        OR FIND_IN_SET(0, products.usergroup_ids) 
        OR FIND_IN_SET(1, products.usergroup_ids)
      ) 
      AND products.status IN ('A') 
      AND prices.usergroup_id IN (0, 0, 1) 
      AND products.parent_product_id = 0 
    GROUP BY 
      products.product_id
  ) 
  AND videos.status = 'A' 
ORDER BY 
  videos.pos ASC 
LIMIT 
  0, 4

Query time 0.00095

JSON explain

{
  "query_block": {
    "select_id": 1,
    "filesort": {
      "sort_key": "videos.pos",
      "temporary_table": {
        "nested_loop": [
          {
            "table": {
              "table_name": "companies",
              "access_type": "system",
              "possible_keys": ["PRIMARY"],
              "rows": 1,
              "filtered": 100
            }
          },
          {
            "table": {
              "table_name": "shared_descr",
              "access_type": "const",
              "possible_keys": ["PRIMARY", "product_id", "company_id"],
              "rows": 1,
              "filtered": 100,
              "impossible_on_condition": true
            }
          },
          {
            "table": {
              "table_name": "videos",
              "access_type": "ref",
              "possible_keys": ["status", "product_id"],
              "key": "status",
              "key_length": "3",
              "used_key_parts": ["status"],
              "ref": ["const"],
              "rows": 1,
              "filtered": 100,
              "index_condition": "videos.`status` = 'A'",
              "attached_condition": "videos.`status` <=> 'A' and videos.storefront_id in (1,0) and videos.`type` not in ('H','R') and videos.autoplay = 'N'"
            }
          },
          {
            "table": {
              "table_name": "cscart_ab__video_gallery_descriptions",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "9",
              "used_key_parts": ["video_id", "lang_code"],
              "ref": ["cscart_4183_25.videos.video_id", "const"],
              "rows": 1,
              "filtered": 100,
              "attached_condition": "trigcond(cscart_ab__video_gallery_descriptions.lang_code = 'en')"
            }
          },
          {
            "duplicates_removal": [
              {
                "table": {
                  "table_name": "products",
                  "access_type": "eq_ref",
                  "possible_keys": ["PRIMARY", "status", "idx_parent_product_id"],
                  "key": "PRIMARY",
                  "key_length": "3",
                  "used_key_parts": ["product_id"],
                  "ref": ["cscart_4183_25.videos.product_id"],
                  "rows": 1,
                  "filtered": 91.16493988,
                  "attached_condition": "products.parent_product_id = 0 and products.company_id = 1 and (products.usergroup_ids = '' or find_in_set(0,products.usergroup_ids) or find_in_set(1,products.usergroup_ids)) and products.`status` = 'A'",
                  "distinct": true
                }
              },
              {
                "table": {
                  "table_name": "descr1",
                  "access_type": "eq_ref",
                  "possible_keys": ["PRIMARY", "product_id"],
                  "key": "PRIMARY",
                  "key_length": "9",
                  "used_key_parts": ["product_id", "lang_code"],
                  "ref": ["cscart_4183_25.products.product_id", "const"],
                  "rows": 1,
                  "filtered": 100,
                  "attached_condition": "trigcond(descr1.lang_code = 'en')",
                  "using_index": true,
                  "distinct": true
                }
              },
              {
                "table": {
                  "table_name": "products_categories",
                  "access_type": "ref",
                  "possible_keys": ["PRIMARY", "pt"],
                  "key": "pt",
                  "key_length": "3",
                  "used_key_parts": ["product_id"],
                  "ref": ["cscart_4183_25.videos.product_id"],
                  "rows": 1,
                  "filtered": 100,
                  "distinct": true
                }
              },
              {
                "table": {
                  "table_name": "cscart_categories",
                  "access_type": "eq_ref",
                  "possible_keys": ["PRIMARY", "c_status", "p_category_id"],
                  "key": "PRIMARY",
                  "key_length": "3",
                  "used_key_parts": ["category_id"],
                  "ref": ["cscart_4183_25.products_categories.category_id"],
                  "rows": 1,
                  "filtered": 100,
                  "index_condition": "cscart_categories.category_id in (234,235,236,237,238,240)",
                  "attached_condition": "(cscart_categories.usergroup_ids = '' or find_in_set(0,cscart_categories.usergroup_ids) or find_in_set(1,cscart_categories.usergroup_ids)) and cscart_categories.`status` in ('A','H') and cscart_categories.storefront_id in (0,1)",
                  "distinct": true
                }
              },
              {
                "table": {
                  "table_name": "prices",
                  "access_type": "ref",
                  "possible_keys": [
                    "usergroup",
                    "product_id",
                    "lower_limit",
                    "usergroup_id"
                  ],
                  "key": "usergroup",
                  "key_length": "3",
                  "used_key_parts": ["product_id"],
                  "ref": ["cscart_4183_25.videos.product_id"],
                  "rows": 2,
                  "filtered": 92.80838776,
                  "attached_condition": "prices.lower_limit = 1 and prices.usergroup_id in (0,0,1)",
                  "using_index": true,
                  "distinct": true
                }
              }
            ]
          }
        ]
      }
    }
  }
}