SELECT 
  video_id, 
  product_id 
FROM 
  cscart_ab__video_gallery 
WHERE 
  product_id IN (
    427, 408, 382, 418, 1931, 381, 1529, 1465, 
    1933, 1935, 329, 439, 393, 394, 396, 
    383, 440, 327, 1934, 385, 405, 413, 1937, 
    414
  )

Query time 0.00041

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.20"
    },
    "table": {
      "table_name": "cscart_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": 1,
      "rows_produced_per_join": 1,
      "filtered": "100.00",
      "using_index": true,
      "cost_info": {
        "read_cost": "1.00",
        "eval_cost": "0.20",
        "prefix_cost": "1.20",
        "data_read_per_join": "64"
      },
      "used_columns": [
        "video_id",
        "product_id"
      ],
      "attached_condition": "(`eshopuga_upgr_4122`.`cscart_ab__video_gallery`.`product_id` in (427,408,382,418,1931,381,1529,1465,1933,1935,329,439,393,394,396,383,440,327,1934,385,405,413,1937,414))"
    }
  }
}