SELECT 
  video_id, 
  product_id 
FROM 
  cscart_ab__video_gallery 
WHERE 
  product_id IN (
    20189, 20190, 20191, 20192, 20193, 20194, 
    20195, 20196, 20197, 20198, 20199, 
    20200, 20201, 20202, 20203, 20204
  ) 
  AND status = "A"

Query time 0.00018

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 (20189,20190,20191,20192,20193,20194,20195,20196,20197,20198,20199,20200,20201,20202,20203,20204)"
    }
  }
}