UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pt5szOR0SpgmknulAapkvGLhaHbV5ztl1PMdXAlRHyo=' 
WHERE 
  key_id = '6ea1a52e243fec950f717da368af711c687b5a6d6491514c941c05ad3108b907' 
  AND (
    token = 'pt5szOR0SpgmknulAapkvGLhaHbV5ztl1PMdXAlRHyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )