UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+dNaaMoCVH0bNNmbg0aiOi7u3rpLWT4NhpqhyoI+LGE=' 
WHERE 
  key_id = '18523ee8f50d58efaf4a46abaa042427f43f2687ea8c92248848053fa7cf7a8a' 
  AND (
    token = '+dNaaMoCVH0bNNmbg0aiOi7u3rpLWT4NhpqhyoI+LGE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )