UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lrSONfezfxYZelo9xwQPFca4Y7zadt7Ysc/w6tOVEwM=' 
WHERE 
  key_id = 'c523bb36532b7993d6b04efcb3026250579c8d2dd85e35909f0779dbb9d47a28' 
  AND (
    token = 'lrSONfezfxYZelo9xwQPFca4Y7zadt7Ysc/w6tOVEwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )