SELECT 
  lang.name, 
  lang.value 
FROM 
  cscart_language_values lang 
WHERE 
  lang.lang_code = 'en' 
  AND lang.name IN (
    'ec_layout_booking.hold_expired_title', 
    'ec_layout_booking.hold_expired_msg', 
    'ec_layout_booking.status_booked_held', 
    'ec_layout_booking.status_disabled', 
    'ec_layout_booking.category_standard', 
    'ec_layout_booking.title_unavailable', 
    'ec_layout_booking.error_seat_unavailable_diag', 
    'ec_layout_booking.title_limit_reached', 
    'ec_layout_booking.error_max_seats_per_order', 
    'ec_layout_booking.error_max_seats_per_event', 
    'ec_layout_booking.error_seat_no_longer_available', 
    'ec_layout_booking.title_layout_missing', 
    'ec_layout_booking.error_layout_config_missing', 
    'ec_layout_booking.notice_select_seats', 
    'ec_layout_booking.title_minimum_required', 
    'ec_layout_booking.error_min_seats_required', 
    'ec_layout_booking.zoom_in', 'ec_layout_booking.reset_zoom', 
    'ec_layout_booking.zoom_out', 'ec_layout_booking.loading_seats', 
    'ec_layout_booking.hold_expired_title', 
    'ec_layout_booking.hold_expired_msg', 
    'ec_layout_booking.status_booked_held', 
    'ec_layout_booking.status_disabled', 
    'ec_layout_booking.category_standard', 
    'ec_layout_booking.title_unavailable', 
    'ec_layout_booking.error_seat_unavailable_diag', 
    'ec_layout_booking.title_limit_reached', 
    'ec_layout_booking.error_max_seats_per_order', 
    'ec_layout_booking.error_max_seats_per_event', 
    'ec_layout_booking.error_seat_no_longer_available', 
    'ec_layout_booking.title_layout_missing', 
    'ec_layout_booking.error_layout_config_missing', 
    'ec_layout_booking.notice_select_seats', 
    'ec_layout_booking.title_minimum_required', 
    'ec_layout_booking.error_min_seats_required', 
    'ec_layout_booking.zoom_in', 'ec_layout_booking.reset_zoom', 
    'ec_layout_booking.zoom_out', 'ec_layout_booking.loading_seats'
  )

Query time 0.00238

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": "((`pankajecarter_setup3`.`lang`.`lang_code` = 'en') and (`pankajecarter_setup3`.`lang`.`name` in ('ec_layout_booking.hold_expired_title','ec_layout_booking.hold_expired_msg','ec_layout_booking.status_booked_held','ec_layout_booking.status_disabled','ec_layout_booking.category_standard','ec_layout_booking.title_unavailable','ec_layout_booking.error_seat_unavailable_diag','ec_layout_booking.title_limit_reached','ec_layout_booking.error_max_seats_per_order','ec_layout_booking.error_max_seats_per_event','ec_layout_booking.error_seat_no_longer_available','ec_layout_booking.title_layout_missing','ec_layout_booking.error_layout_config_missing','ec_layout_booking.notice_select_seats','ec_layout_booking.title_minimum_required','ec_layout_booking.error_min_seats_required','ec_layout_booking.zoom_in','ec_layout_booking.reset_zoom','ec_layout_booking.zoom_out','ec_layout_booking.loading_seats','ec_layout_booking.hold_expired_title','ec_layout_booking.hold_expired_msg','ec_layout_booking.status_booked_held','ec_layout_booking.status_disabled','ec_layout_booking.category_standard','ec_layout_booking.title_unavailable','ec_layout_booking.error_seat_unavailable_diag','ec_layout_booking.title_limit_reached','ec_layout_booking.error_max_seats_per_order','ec_layout_booking.error_max_seats_per_event','ec_layout_booking.error_seat_no_longer_available','ec_layout_booking.title_layout_missing','ec_layout_booking.error_layout_config_missing','ec_layout_booking.notice_select_seats','ec_layout_booking.title_minimum_required','ec_layout_booking.error_min_seats_required','ec_layout_booking.zoom_in','ec_layout_booking.reset_zoom','ec_layout_booking.zoom_out','ec_layout_booking.loading_seats')))",
      "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"
      ]
    }
  }
}