UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Df4MY+KyAqs3LQxPF4lb70Ed7xuJhurdK5PLKLnHgdI=' 
WHERE 
  key_id = '27ff704257c5170ed2f87e131062075267528b342cf956c9f55fa205a8e8e805' 
  AND (
    token = 'Df4MY+KyAqs3LQxPF4lb70Ed7xuJhurdK5PLKLnHgdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )