UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '04sE9qsu0gdIP0+gZ/vYU7kRXyKOmRkRFk0YG4ojnBs=' 
WHERE 
  key_id = '468d9ba2c4345be1abb73d8a24cc1651c2efc70ef04c849aa1c858f30e048419' 
  AND (
    token = '04sE9qsu0gdIP0+gZ/vYU7kRXyKOmRkRFk0YG4ojnBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )