ServiceAccounts: Add Service Account Token last used at date (#51446)

* ServiceAccounts Add api key last used at

* ServiceAccounts: LastUpdateAt tests

public/app/features/serviceaccounts/components/ServiceAccountTokensTable.tsx

@@ -23,6 +23,7 @@ export const ServiceAccountTokensTable = ({ tokens, timeZone, tokenActionsDisabl
           <th>Name</th>
           <th>Expires</th>
           <th>Created</th>
+          <th>Last used at</th>
           <th />
         </tr>
       </thead>
@@ -35,6 +36,7 @@ export const ServiceAccountTokensTable = ({ tokens, timeZone, tokenActionsDisabl
                 <TokenExpiration timeZone={timeZone} token={key} />
               </td>
               <td>{formatDate(timeZone, key.created)}</td>
+              <td>{formatLastUsedAtDate(timeZone, key.lastUsedAt)}</td>
               <td>
                 <DeleteButton
                   aria-label={`Delete service account token ${key.name}`}
@@ -51,6 +53,13 @@ export const ServiceAccountTokensTable = ({ tokens, timeZone, tokenActionsDisabl
   );
 };
 
+function formatLastUsedAtDate(timeZone: TimeZone, lastUsedAt?: string): string {
+  if (!lastUsedAt) {
+    return 'Never';
+  }
+  return dateTimeFormat(lastUsedAt, { timeZone });
+}
+
 function formatDate(timeZone: TimeZone, expiration?: string): string {
   if (!expiration) {
     return 'No expiration date';

public/app/types/apiKeys.ts

@@ -11,6 +11,7 @@ export interface ApiKey extends WithAccessControlMetadata {
   secondsUntilExpiration?: number;
   hasExpired?: boolean;
   created?: string;
+  lastUsedAt?: string;
 }
 
 export interface NewApiKey {