UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '18HVZtwdmGO3ms4w/9EwHyVEzeiMjFerT5W+6IE4P/U=' 
WHERE 
  key_id = '774b0ac61fd587728968a7e43670cafde847c872000d48d62b96cfefee2c0de2' 
  AND (
    token = '18HVZtwdmGO3ms4w/9EwHyVEzeiMjFerT5W+6IE4P/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )