UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z83FRuj0JPHVUMpCV8T38xm7C26wiIHsIluoYLUjEOg=' 
WHERE 
  key_id = '5939f472f158334dbbd101eccce61b50cbbe82db580327bc7ed510d32537060b' 
  AND (
    token = 'z83FRuj0JPHVUMpCV8T38xm7C26wiIHsIluoYLUjEOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )