UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VndvWUVW32x4PoOKXE5i9IWPj7qCZyUz/GpXnq79LNs=' 
WHERE 
  key_id = '4e91ec82f7e6ab40dcfd88beffb15d239feffc88a76cb7eb9c9b78e50b057c2f' 
  AND (
    token = 'VndvWUVW32x4PoOKXE5i9IWPj7qCZyUz/GpXnq79LNs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )