UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TuuqdNPJvigqq8DmgMpXd++KpYXJFwujn5X7uMsqazc=' 
WHERE 
  key_id = 'b5dbb79968e49f000432d1cea0468e79703c96618929f44eb2359dd6f2c9b83d' 
  AND (
    token = 'TuuqdNPJvigqq8DmgMpXd++KpYXJFwujn5X7uMsqazc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )