UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'k1p9A8QSunNmUYLnhWzT1OuPcmK31cgrxhyNOMT+SJY=' 
WHERE 
  key_id = '66bf6a3495e94f04d31abec245205369c3d19c63dd52756e32b170d8bdc5adcb' 
  AND (
    token = 'k1p9A8QSunNmUYLnhWzT1OuPcmK31cgrxhyNOMT+SJY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )