SELECT 
  video_id, 
  product_id 
FROM 
  cscart_ab__video_gallery 
WHERE 
  product_id IN (
    21968, 20619, 21969, 20175, 21970, 20006, 
    21971, 20004, 21958, 19976, 21959, 
    19975, 21960, 19974, 21961, 19973, 
    21962, 19972, 21972, 19970, 21973, 
    19968, 21980, 19967
  ) 
  AND status = "A" 
  AND storefront_id IN (1, 0)

Query time 0.00028

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 (21968,20619,21969,20175,21970,20006,21971,20004,21958,19976,21959,19975,21960,19974,21961,19973,21962,19972,21972,19970,21973,19968,21980,19967) and cscart_ab__video_gallery.storefront_id in (1,0)"
        }
      }
    ]
  }
}