UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yGjyqHbdz7wbKyAWHCfvkXdCauNix1+rMPDuPfRP1kM=' 
WHERE 
  key_id = '81c86c6c73effbfb063f37b645c03088be2d1e036150810baee29cdb16f7bfe7' 
  AND (
    token = 'yGjyqHbdz7wbKyAWHCfvkXdCauNix1+rMPDuPfRP1kM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )