UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pgupm3p/Y8JxAymHzra+YfNN4S6R14V+3USM7lw+ng=' 
WHERE 
  key_id = '68ddba197b6641c306066113f0f1ecbda3ba2d93fdb81e7d5242617b8be71673' 
  AND (
    token = '6pgupm3p/Y8JxAymHzra+YfNN4S6R14V+3USM7lw+ng=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )