UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J+7PVCFI/VdIbhkZwXg3+VK1csatm/d1tN7lsXEcMqk=' 
WHERE 
  key_id = 'f1b6ca6e62970f4f83a5aae42829d4836fd05afd267b868053ac22a7334b9140' 
  AND (
    token = 'J+7PVCFI/VdIbhkZwXg3+VK1csatm/d1tN7lsXEcMqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )