public function refresh_access_token( $id, $refresh_token ) {
		$refreshed = false;

		$this->post(
			OAuth::$token_request_url,
			[
				'body'    => [
					'grant_type'    => 'refresh_token',
					'refresh_token' => $refresh_token,
				],
			],
			200
		)->then(
			function ( array $response ) use ( &$id, &$refreshed ) {

				if (
					! (
						isset( $response['body'] )
						&& false !== ( $body = json_decode( $response['body'], true ) )
						&& isset( $body['access_token'], $body['refresh_token'], $body['expires_in'] )
					)
				) {
					do_action( 'tribe_log', 'error', __CLASS__, [
						'action'   => __METHOD__,
						'message'  => 'Zoom API access token refresh response is malformed.',
						'response' => $body,
					] );

					return false;
				}

				$refreshed = $this->save_access_and_expiration( $id, $response );

				return $refreshed;
			}
		);

		return $refreshed;
	}