UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pY95KRV09Oz+PBnJFgOvEqc952dvC85zP+b7EdxztaU=' 
WHERE 
  key_id = '78a9f58ef582b131883e28d35a43a98dd630da12f0583d7f442c8cf86b803ea8' 
  AND (
    token = 'pY95KRV09Oz+PBnJFgOvEqc952dvC85zP+b7EdxztaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )