UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '56Ll4hnXfi6OVXGAtgf49aQdZ6YIglVjwVjF4FwFnUY=' 
WHERE 
  key_id = '8147d89f31786f575119de3e9547daa7609c93ed147aa0a598402792f19c1c56' 
  AND (
    token = '56Ll4hnXfi6OVXGAtgf49aQdZ6YIglVjwVjF4FwFnUY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )