UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UOymlpa8/lKfpRMprVFjNIf2B0poF01sizOm9h5KuLM=' 
WHERE 
  key_id = '68591ab9fc465adbaab9a55901fd01da1e9be083cdc08c4dd6b7844c0890cc20' 
  AND (
    token = 'UOymlpa8/lKfpRMprVFjNIf2B0poF01sizOm9h5KuLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )