UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wHuYEUefoXOPtCZ2PCbooSBkMGXPSLL5lUKxV+ZB7N4=' 
WHERE 
  key_id = '923a2579872ca1809a54b79ad9fa806147cd1c510900f535d4ae366f338dcfc9' 
  AND (
    token = 'wHuYEUefoXOPtCZ2PCbooSBkMGXPSLL5lUKxV+ZB7N4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )