UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qg5N8sNENlDCKYbDqRsmIhPaRenkpluFfSGkGx2NuFY=' 
WHERE 
  key_id = '21786ac5c1d23894266749f27a35333bda682b7c4b1620b106f932b214528606' 
  AND (
    token = 'Qg5N8sNENlDCKYbDqRsmIhPaRenkpluFfSGkGx2NuFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )