UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CrKDe+9qvcVvRfHiBmyAZuMoXljHncRp0rfCLzPxUB0=' 
WHERE 
  key_id = '8e75a08e62e2276028f74deb38a3888644a49a277080d5d2d23c34436ec0fdfd' 
  AND (
    token = 'CrKDe+9qvcVvRfHiBmyAZuMoXljHncRp0rfCLzPxUB0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )