UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4c0/eRQq48ufjM5Wlh2p4qyv44fQ5X5GZnVrs2H+L6k=' 
WHERE 
  key_id = '94ba747775af7f1c34a7ef49370d0c51715d972a264b0d95412b9ffcc628ed11' 
  AND (
    token = '4c0/eRQq48ufjM5Wlh2p4qyv44fQ5X5GZnVrs2H+L6k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )