SELECT 
  cscart_abt__yt_microdata.id, 
  cscart_abt__yt_microdata.field, 
  cscart_abt__yt_microdata_description.value 
FROM 
  cscart_abt__yt_microdata 
  INNER JOIN cscart_abt__yt_microdata_description ON cscart_abt__yt_microdata_description.id = cscart_abt__yt_microdata.id 
  AND cscart_abt__yt_microdata_description.lang_code = 'ru' 
WHERE 
  cscart_abt__yt_microdata.company_id = 0 
ORDER BY 
  cscart_abt__yt_microdata.id ASC

Query time 0.00015

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_abt__yt_microdata",
          "access_type": "index",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["id"],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "cscart_abt__yt_microdata.company_id = 0"
        }
      },
      {
        "table": {
          "table_name": "cscart_abt__yt_microdata_description",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "9",
          "used_key_parts": ["id", "lang_code"],
          "ref": ["u2372248_stroyka.cscart_abt__yt_microdata.id", "const"],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "cscart_abt__yt_microdata_description.lang_code = 'ru'"
        }
      }
    ]
  }
}