UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OV6Xplct5BjB7iY2FRDl+i8xAjXJY9B1nCd9ZLIDGi0=' 
WHERE 
  key_id = '31f52bf7bef4f4ea1e9b85621e59430fd4f263ac12f95093b1e67c462605c2f8' 
  AND (
    token = 'OV6Xplct5BjB7iY2FRDl+i8xAjXJY9B1nCd9ZLIDGi0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )