SELECT 
  video_id, 
  product_id 
FROM 
  cscart_ab__video_gallery 
WHERE 
  product_id IN (
    2716, 2715, 2725, 2722, 2711, 2713, 2717, 
    2721, 2712, 2718, 2726, 2719
  )

Query time 0.00124

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 (2716,2715,2725,2722,2711,2713,2717,2721,2712,2718,2726,2719)",
      "using_index": true
    }
  }
}