UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'um4RabEjgS/rpnj7iH6jWEv3C4YxREWU+S2H2vE8epw=' 
WHERE 
  key_id = '84ac06b82f95725cb54745d4b1283a4c384135661703fb88d24a8aef857d9b09' 
  AND (
    token = 'um4RabEjgS/rpnj7iH6jWEv3C4YxREWU+S2H2vE8epw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )