mysql search with order by

gistfile1.txt

create table t (
    user_id int,
    username text,
    surname text,
    age int,
    aboutme text,
    sex bool,
    city int
);

insert into t (user_id, username, surname, age, aboutme, sex, city)
WITH RECURSIVE nrows(i) AS (
SELECT 1 UNION ALL 
SELECT i + 1 FROM nrows WHERE i < 1000
), seq AS (
SELECT l2.i * 1000 * 1000 + h.i * 1000 + l.i AS n FROM nrows h
    JOIN nrows l on (true)
    JOIN nrows l2 on (true)

where l2.i < 6)
select 
    seq.n,
    concat('user_', seq.n),
    concat('Surname', seq.n),
    seq.n % 10,
    concat('Some long about text to get something ', seq.n),
    seq.n % 2 = 0 ,
    seq.n % 10
from seq;


create unique index t_user_id_idx on t(user_id);

create index t2_idx on t(city, sex, age, user_id);

analyze table t;