SELECT 
  object_id, 
  name 
FROM 
  cscart_seo_names 
WHERE 
  name IN ('refrigerators') 
  AND type = 'c' 
  AND lang_code = 'de'

Query time 0.00023

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.002024411,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_seo_names",
          "access_type": "ref",
          "possible_keys": ["name", "type"],
          "key": "name",
          "key_length": "758",
          "used_key_parts": ["name", "lang_code"],
          "ref": ["const", "const"],
          "loops": 1,
          "rows": 1,
          "cost": 0.002024411,
          "filtered": 100,
          "index_condition": "cscart_seo_names.`name` = 'refrigerators' and cscart_seo_names.lang_code = 'de'",
          "attached_condition": "cscart_seo_names.`type` = 'c'"
        }
      }
    ]
  }
}

Result

object_id name
43210 refrigerators