UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C74taumSfj9yZ1HoCKOgsMBjf45eapW1JngtPDDS9gE=' 
WHERE 
  key_id = '79383175338041dcf0283bd4eda1f565985449993d4f12d7a744e3fa942f3427' 
  AND (
    token = 'C74taumSfj9yZ1HoCKOgsMBjf45eapW1JngtPDDS9gE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )