UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QRLzw09k8olsS4M9AH2v2yQIKqdkkh3FdNjw9acKKFk=' 
WHERE 
  key_id = '456a587e2ba6aa7b431285d248dc13fbfde503127493d7c77ab027d0acabe407' 
  AND (
    token = 'QRLzw09k8olsS4M9AH2v2yQIKqdkkh3FdNjw9acKKFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )