UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zlgg3PPyIj+nF95Lvp1OR7699VrtohSzQNh+6Y2ICzY=' 
WHERE 
  key_id = '51f114b4ea1544667c56617b2188253d2d526fd16b99d6b2f4b554699db1d268' 
  AND (
    token = 'zlgg3PPyIj+nF95Lvp1OR7699VrtohSzQNh+6Y2ICzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )