UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm/u5UKepFlItehvd+YueRPpI/Jn7KWgxE8UDlhPMNEA=' 
WHERE 
  key_id = '95a751eaac3d332147e8735824102ac3249a1a75556a568395d04d076aa8a13f' 
  AND (
    token = 'm/u5UKepFlItehvd+YueRPpI/Jn7KWgxE8UDlhPMNEA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )