UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pWupu1skd0eT3z0fBQsBgJ6/2rFaie+X+DJXXM+B9ew=' 
WHERE 
  key_id = '23f23c213ae945ea47d8048c95f4fb44e5a164512b8a577bc3db826caf7c05ce' 
  AND (
    token = 'pWupu1skd0eT3z0fBQsBgJ6/2rFaie+X+DJXXM+B9ew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )