UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6AHfo2Gfqh78gd2v6CkguTW24Fl9iqAcGDezGchDBY=' 
WHERE 
  key_id = 'c9ebd594cf69006535c827b293daaedf21af85a7e3bf0cccca1c32794cdbb144' 
  AND (
    token = 'k6AHfo2Gfqh78gd2v6CkguTW24Fl9iqAcGDezGchDBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )