SELECT 
  video_id, 
  product_id 
FROM 
  cscart_ab__video_gallery 
WHERE 
  product_id IN (
    2541, 2785, 2779, 2783, 2780, 2782, 2781, 
    2784, 2786, 2616, 2777, 2615
  )

Query time 0.00019

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_ab__video_gallery",
      "access_type": "range",
      "possible_keys": ["product_id"],
      "key": "product_id",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 12,
      "filtered": 100,
      "attached_condition": "cscart_ab__video_gallery.product_id in (2541,2785,2779,2783,2780,2782,2781,2784,2786,2616,2777,2615)",
      "using_index": true
    }
  }
}