UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AMhzmvkouSGoFUS8XI9ac1tDp6Fneu2ArtjLEU9PVug=' 
WHERE 
  key_id = '3bf82b34084b3c73785e3afacab6c8028abcd4580609df0f04a53d121a0a33d8' 
  AND (
    token = 'AMhzmvkouSGoFUS8XI9ac1tDp6Fneu2ArtjLEU9PVug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )