UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pHmkvlKrLFRXQgr3btUZ6lwbZUJwbbbqK4AKRbmCQM=' 
WHERE 
  key_id = '541909b176756f94db91bc236f3d1954be71a82ae1fd12dbedae47efbdb44e41' 
  AND (
    token = '6pHmkvlKrLFRXQgr3btUZ6lwbZUJwbbbqK4AKRbmCQM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )