UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6bh3EhKhTJta8wQGoHPF8ejUsp9+5jrMRkJF+kvrYBo=' 
WHERE 
  key_id = '6b5e4feed14babd61b517ee861c48904a53596e6b3ec49da4efa34ba5c99589e' 
  AND (
    token = '6bh3EhKhTJta8wQGoHPF8ejUsp9+5jrMRkJF+kvrYBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )