Sandbox

SELECT 
  tconnect_product_files.*, 
  tconnect_product_file_descriptions.file_name, 
  tconnect_product_file_descriptions.license, 
  tconnect_product_file_descriptions.readme 
FROM 
  tconnect_product_files 
  LEFT JOIN tconnect_product_file_descriptions ON tconnect_product_file_descriptions.file_id = tconnect_product_files.file_id 
  AND tconnect_product_file_descriptions.lang_code = 'en' 
WHERE 
  1 = 1 
  AND tconnect_product_files.product_id = 224 
  AND preview_path != '' 
  AND tconnect_product_files.status = 'A' 
ORDER BY 
  tconnect_product_files.position asc, 
  tconnect_product_file_descriptions.file_name asc

Query time 0.00084

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}