SELECT 
  * 
FROM 
  cscart_ec_extra_product_data 
WHERE 
  product_id IN (
    108, 237, 191, 235, 70, 122, 115, 156, 
    90, 175, 196, 43, 104, 76, 129, 127, 121, 
    103, 95, 182, 41, 56, 57, 30, 112, 246, 
    89, 197, 208, 173, 97, 229
  )

Query time 0.00027

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "4.70"
    },
    "table": {
      "table_name": "cscart_ec_extra_product_data",
      "access_type": "ALL",
      "rows_examined_per_scan": 13,
      "rows_produced_per_join": 6,
      "filtered": "50.00",
      "cost_info": {
        "read_cost": "3.40",
        "eval_cost": "1.30",
        "prefix_cost": "4.70",
        "data_read_per_join": "260"
      },
      "used_columns": [
        "product_id",
        "maximum_adults",
        "maximum_children",
        "maximum_room_occupancy",
        "minimum_length_of_stay",
        "maximum_length_of_stay",
        "company_id",
        "blocked_date"
      ],
      "attached_condition": "(`pankajecarter_systemfour`.`cscart_ec_extra_product_data`.`product_id` in (108,237,191,235,70,122,115,156,90,175,196,43,104,76,129,127,121,103,95,182,41,56,57,30,112,246,89,197,208,173,97,229))"
    }
  }
}