UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zrtt/EnJBwV3pETdzO2qBzwbOLI7EfgWA9BMO//QP2o=' 
WHERE 
  key_id = '9bc64a05b35b8df8048d94cd5d8acc54b2d4ce585ae57aabff358c27ed3523f1' 
  AND (
    token = 'zrtt/EnJBwV3pETdzO2qBzwbOLI7EfgWA9BMO//QP2o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )