UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5PT5Uyp7lrjIpluf5ghgA2vKdKJ7+8kd9L4O4lrNgR0=' 
WHERE 
  key_id = '5a40f6e03668241507b1f808de58649035d21c99195d723b7283fb5b93c0bce4' 
  AND (
    token = '5PT5Uyp7lrjIpluf5ghgA2vKdKJ7+8kd9L4O4lrNgR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )