UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2jJRMJVb0f1kkm2XIFx/QrEy/+B8agGiWXXwyYAVOrU=' 
WHERE 
  key_id = 'c63018db164dcd9b3a7ed3f451be499193fcf28f3e1d4c69a0613a9f5bd7a691' 
  AND (
    token = '2jJRMJVb0f1kkm2XIFx/QrEy/+B8agGiWXXwyYAVOrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )