sdk-for-swift/docs/examples/tokens/update.md

import Appwrite

let client = Client()
    .setEndpoint("https://<REGION>.cloud.appwrite.io/v1") // Your API Endpoint
    .setProject("<YOUR_PROJECT_ID>") // Your project ID
    .setKey("<YOUR_API_KEY>") // Your secret API key

let tokens = Tokens(client)

let resourceToken = try await tokens.update(
    tokenId: "<TOKEN_ID>",
    expire: "2020-10-15T06:38:00.000+00:00" // optional
)