SELECT 
  * 
FROM 
  cscart_et_menu 
WHERE 
  1 
  AND cscart_et_menu.param_id IN (382, 383, 387, 393) 
  AND cscart_et_menu.lang_code = 'en'

Query time 0.00062

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "9.61"
    },
    "table": {
      "table_name": "cscart_et_menu",
      "access_type": "range",
      "possible_keys": [
        "param_id"
      ],
      "key": "param_id",
      "used_key_parts": [
        "param_id",
        "lang_code"
      ],
      "key_length": "9",
      "rows_examined_per_scan": 4,
      "rows_produced_per_join": 4,
      "filtered": "100.00",
      "index_condition": "((`webmarco`.`cscart_et_menu`.`param_id` in (382,383,387,393)) and (`webmarco`.`cscart_et_menu`.`lang_code` = 'en'))",
      "cost_info": {
        "read_cost": "8.81",
        "eval_cost": "0.80",
        "prefix_cost": "9.61",
        "data_read_per_join": "96"
      },
      "used_columns": [
        "et_menu_id",
        "param_id",
        "data",
        "lang_code"
      ]
    }
  }
}