slightly shorten db.get_token

(no good reason other than i think it looks better)

src/db.rs

@@ -98,12 +98,9 @@ impl Database for SqliteDatabase {
                  valid,
                  created,
                  last_used,
-             }| {
+             }| match valid {
-                if valid {
+                true => UserTokenEntry::Valid(UserToken::from(token), created, last_used),
-                    UserTokenEntry::Valid(UserToken::from(token), created, last_used)
+                false => UserTokenEntry::Invalid(UserToken::from(token), created, last_used),
-                } else {
-                    UserTokenEntry::Invalid(UserToken::from(token), created, last_used)
-                }
             },
         ))
     }