UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZB81kiBrWBMnowHoIps296T2CtYzi91xgm+dGrxWA4I=' 
WHERE 
  key_id = 'c8a8d6e67533363a1228ad7cfd9fda199d316acb44c341c36ef5835694add6f8' 
  AND (
    token = 'ZB81kiBrWBMnowHoIps296T2CtYzi91xgm+dGrxWA4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )