SELECT 
  video_id, 
  product_id 
FROM 
  cscart_ab__video_gallery 
WHERE 
  product_id IN (
    20973, 20974, 20975, 20976, 20977, 20978, 
    20979, 20980, 20981, 20982, 20983, 
    20984, 20985, 20986, 20987, 20988
  ) 
  AND status = "A"

Query time 0.00022

JSON explain

{
  "query_block": {
    "select_id": 1,
    "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": 1,
      "filtered": 100,
      "index_condition": "cscart_ab__video_gallery.`status` = 'A'",
      "attached_condition": "cscart_ab__video_gallery.product_id in (20973,20974,20975,20976,20977,20978,20979,20980,20981,20982,20983,20984,20985,20986,20987,20988)"
    }
  }
}