UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HwXPmuFw1x/aH3wljSju/heGp2Elr9aORn6n/jgNfFI=' 
WHERE 
  key_id = 'ccc3968021ad9676d6d87d123abf9c2533139f688849b16c8dac712078576870' 
  AND (
    token = 'HwXPmuFw1x/aH3wljSju/heGp2Elr9aORn6n/jgNfFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )