UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4YyEHhd6xsbLLBRj7s3iDP3X6NgGCLC9GfpPk9QSrIU=' 
WHERE 
  key_id = 'c16f2989b5ddb16482a3ae83096c95b73623e6f7808805ad3d35abe20d2eb08a' 
  AND (
    token = '4YyEHhd6xsbLLBRj7s3iDP3X6NgGCLC9GfpPk9QSrIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )