SELECT 
  lang.name, 
  lang.value 
FROM 
  cscart_language_values lang 
WHERE 
  lang.lang_code = 'en' 
  AND lang.name IN (
    'calendar', 'weekday_abr_0', 'weekday_abr_1', 
    'weekday_abr_2', 'weekday_abr_3', 
    'weekday_abr_4', 'weekday_abr_5', 
    'weekday_abr_6', 'month_name_abr_1', 
    'month_name_abr_2', 'month_name_abr_3', 
    'month_name_abr_4', 'month_name_abr_5', 
    'month_name_abr_6', 'month_name_abr_7', 
    'month_name_abr_8', 'month_name_abr_9', 
    'month_name_abr_10', 'month_name_abr_11', 
    'month_name_abr_12', 'calendar', 
    'weekday_abr_0', 'weekday_abr_1', 
    'weekday_abr_2', 'weekday_abr_3', 
    'weekday_abr_4', 'weekday_abr_5', 
    'weekday_abr_6', 'month_name_abr_1', 
    'month_name_abr_2', 'month_name_abr_3', 
    'month_name_abr_4', 'month_name_abr_5', 
    'month_name_abr_6', 'month_name_abr_7', 
    'month_name_abr_8', 'month_name_abr_9', 
    'month_name_abr_10', 'month_name_abr_11', 
    'month_name_abr_12'
  )

Query time 0.00060

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "48.01"
    },
    "table": {
      "table_name": "lang",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "lang_code",
        "name"
      ],
      "key_length": "392",
      "rows_examined_per_scan": 20,
      "rows_produced_per_join": 20,
      "filtered": "100.00",
      "index_condition": "((`atulecarter_atul_demo4`.`lang`.`lang_code` = 'en') and (`atulecarter_atul_demo4`.`lang`.`name` in ('calendar','weekday_abr_0','weekday_abr_1','weekday_abr_2','weekday_abr_3','weekday_abr_4','weekday_abr_5','weekday_abr_6','month_name_abr_1','month_name_abr_2','month_name_abr_3','month_name_abr_4','month_name_abr_5','month_name_abr_6','month_name_abr_7','month_name_abr_8','month_name_abr_9','month_name_abr_10','month_name_abr_11','month_name_abr_12','calendar','weekday_abr_0','weekday_abr_1','weekday_abr_2','weekday_abr_3','weekday_abr_4','weekday_abr_5','weekday_abr_6','month_name_abr_1','month_name_abr_2','month_name_abr_3','month_name_abr_4','month_name_abr_5','month_name_abr_6','month_name_abr_7','month_name_abr_8','month_name_abr_9','month_name_abr_10','month_name_abr_11','month_name_abr_12')))",
      "cost_info": {
        "read_cost": "44.01",
        "eval_cost": "4.00",
        "prefix_cost": "48.01",
        "data_read_per_join": "7K"
      },
      "used_columns": [
        "lang_code",
        "name",
        "value"
      ]
    }
  }
}