SELECT 
  lang.name, 
  lang.value 
FROM 
  cscart_language_values lang 
WHERE 
  lang.lang_code = 'zh' 
  AND lang.name IN (
    'no_items', 'name', 'quantity', 'options', 
    'any_option_combinations', 'deleted_product', 
    'add_products', 'add_products', 
    'no_items', 'name', 'quantity', 'options', 
    'any_option_combinations', 'deleted_product', 
    'add_products', 'add_products'
  )

Query time 0.00020

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.01296265,
    "nested_loop": [
      {
        "table": {
          "table_name": "lang",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "392",
          "used_key_parts": ["lang_code", "name"],
          "loops": 1,
          "rows": 7,
          "cost": 0.01296265,
          "filtered": 100,
          "attached_condition": "lang.lang_code = 'zh' and lang.`name` in ('no_items','name','quantity','options','any_option_combinations','deleted_product','add_products','add_products','no_items','name','quantity','options','any_option_combinations','deleted_product','add_products','add_products')"
        }
      }
    ]
  }
}