SELECT KEY, value
                    FROM settings
                    WHERE
                        (section='general' AND KEY='demo_mode') OR
                        (section='network' AND KEY='single_user_mode') OR
                        (section='core' AND KEY='locale') OR
                        (section='core' AND KEY='date_format')
UNION  
SELECT 'updates_available', CASE 
        WHEN count(id) = 0      
                THEN 't'
        ELSE 't' 
        END AS updates_available
        FROM releases 
        WHERE STATUS='NEW';