SELECT 
  video_id, 
  product_id 
FROM 
  q_ab__video_gallery 
WHERE 
  product_id IN (
    8764, 8765, 8766, 8767, 8768, 8769, 8770, 
    8771, 8772, 8773, 8774, 8776, 8788, 
    8825, 8826, 8827, 8828, 8829, 8830, 
    8831, 8832, 8833, 8834, 8835, 8841, 
    8843, 8844, 8845, 8846, 8847
  )

Query time 0.00038

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "5.80"
    },
    "table": {
      "table_name": "q_ab__video_gallery",
      "access_type": "index",
      "possible_keys": [
        "product_id"
      ],
      "key": "product_id",
      "used_key_parts": [
        "product_id"
      ],
      "key_length": "3",
      "rows_examined_per_scan": 24,
      "rows_produced_per_join": 24,
      "filtered": "100.00",
      "using_index": true,
      "cost_info": {
        "read_cost": "1.00",
        "eval_cost": "4.80",
        "prefix_cost": "5.80",
        "data_read_per_join": "1K"
      },
      "used_columns": [
        "video_id",
        "product_id"
      ],
      "attached_condition": "(`portal`.`q_ab__video_gallery`.`product_id` in (8764,8765,8766,8767,8768,8769,8770,8771,8772,8773,8774,8776,8788,8825,8826,8827,8828,8829,8830,8831,8832,8833,8834,8835,8841,8843,8844,8845,8846,8847))"
    }
  }
}