SELECT 
  video_id, 
  product_id 
FROM 
  cscart_ab__video_gallery 
WHERE 
  product_id IN (
    21230, 21199, 21200, 21201, 21231, 21232, 
    21233, 21202, 21203, 21204, 21205, 
    21206, 21207, 21208, 21209, 21210, 
    21211, 21212, 21213, 21214, 21536, 
    21215, 21234, 21216
  ) 
  AND status = "A" 
  AND storefront_id IN (1, 0)

Query time 0.00044

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_ab__video_gallery",
          "access_type": "ref",
          "possible_keys": ["status", "product_id"],
          "key": "status",
          "key_length": "3",
          "used_key_parts": ["status"],
          "ref": ["const"],
          "rows": 2,
          "filtered": 100,
          "index_condition": "cscart_ab__video_gallery.`status` = 'A'",
          "attached_condition": "cscart_ab__video_gallery.product_id in (21230,21199,21200,21201,21231,21232,21233,21202,21203,21204,21205,21206,21207,21208,21209,21210,21211,21212,21213,21214,21536,21215,21234,21216) and cscart_ab__video_gallery.storefront_id in (1,0)"
        }
      }
    ]
  }
}