UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aRrRgg2zX6iQy6Bzbtr2JTa8YNdhim5mCGqWhn/PUYY=' 
WHERE 
  key_id = '3e81c8cf7ab4d58d7cf04dddc389aa030262c40e402ec801d59d423a35f1f110' 
  AND (
    token = 'aRrRgg2zX6iQy6Bzbtr2JTa8YNdhim5mCGqWhn/PUYY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )