UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kRSzWWa2+fIVPIzmXqBuV393+JRCA7ym773wf1hOSmI=' 
WHERE 
  key_id = '736600accbf04cc1e72837baf5416e7daedef6a7b9268c243ec171b7987af3d0' 
  AND (
    token = 'kRSzWWa2+fIVPIzmXqBuV393+JRCA7ym773wf1hOSmI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )