SELECT 
  lang.name, 
  lang.value 
FROM 
  cscart_language_values lang 
WHERE 
  lang.lang_code = 'en' 
  AND lang.name IN (
    'search', 'wk_zip_empty', 'zip_not_allowed', 
    'close', 'zip_empty', 'zip_not_allowed', 
    'wk_check', 'wk_change', 'search', 
    'wk_zip_empty', 'zip_not_allowed', 
    'close', 'zip_empty', 'zip_not_allowed', 
    'wk_check', 'wk_change'
  )

Query time 0.00988

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "4.91"
    },
    "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": 7,
      "rows_produced_per_join": 7,
      "filtered": "100.00",
      "index_condition": "((`wearethehelpful_scalesta_net`.`lang`.`lang_code` = 'en') and (`wearethehelpful_scalesta_net`.`lang`.`name` in ('search','wk_zip_empty','zip_not_allowed','close','zip_empty','zip_not_allowed','wk_check','wk_change','search','wk_zip_empty','zip_not_allowed','close','zip_empty','zip_not_allowed','wk_check','wk_change')))",
      "cost_info": {
        "read_cost": "4.21",
        "eval_cost": "0.70",
        "prefix_cost": "4.91",
        "data_read_per_join": "2K"
      },
      "used_columns": [
        "lang_code",
        "name",
        "value"
      ]
    }
  }
}