UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gGyptnZZ6cTAmzk68H2ik1xESq9D5XizfiyoHnIHpzo=' 
WHERE 
  key_id = '798cf831ece141f1f164944d8b30522c646ac7c4c4f6903fcc18c04dad23d531' 
  AND (
    token = 'gGyptnZZ6cTAmzk68H2ik1xESq9D5XizfiyoHnIHpzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )