Index: src/wp-includes/user.php
===================================================================
--- src/wp-includes/user.php	(revision 45256)
+++ src/wp-includes/user.php	(working copy)
@@ -2905,6 +2905,7 @@
 		'first_name'      => __( 'User First Name' ),
 		'last_name'       => __( 'User Last Name' ),
 		'description'     => __( 'User Description' ),
+		'session_token'   => __( 'User Session Token' ),
 	);
 
 	$user_data_to_export = array();
@@ -2928,6 +2929,30 @@
 			case 'description':
 				$value = $user_meta[ $key ][0];
 				break;
+			case 'session_tokens':
+				if ( isset( $user_meta[ 'session_tokens' ] ) ) {
+						$token = maybe_unserialize( $user_meta[ 'session_tokens' ][0] );
+
+						$token_props = array(
+							'ip'         => __( 'IP' ),
+							'user_agent' => __( 'User Agent' ),
+						);
+
+						foreach ( $token_props as $key => $name ) {
+							if ( isset( $token[ $key ] ) ) {
+								$token_data[] = sprintf(
+									/* translators: 1: An item label, 2: An item value */
+									__( '%1$s: %2$s' ),
+									$name,
+									$token[ $key ]
+								);
+							}
+						}
+
+						/* translators: used between list items, there is a space after the comma */
+						$value = join( __( ', ' ), $token_data );
+				}
+				break;
 		}
 
 		if ( ! empty( $value ) ) {