UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X8IGnEu+98j9I70HCNivdDIvzBTxpdWAJQhTrAF1Sms=' 
WHERE 
  key_id = 'cfb896b509e966c8d73075e3261067ac746476495fbbd7ec731989bc08007388' 
  AND (
    token = 'X8IGnEu+98j9I70HCNivdDIvzBTxpdWAJQhTrAF1Sms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )