UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68hvTPdYzhoJRYyQbAApXXnLtTsxWqwEIgBhm2dLJhM=' 
WHERE 
  key_id = 'f1de99ace0a18bbb7da5daf5ab8f139fe363237721a81d224b4da9dc1df3eb44' 
  AND (
    token = '68hvTPdYzhoJRYyQbAApXXnLtTsxWqwEIgBhm2dLJhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )