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create table leads (lead_id int, status int, owner int);
insert into leads values (3653, 18, 6585993);
insert into leads values (3984, 3, 6585993);
insert into leads values (4100, 18, 6585993);
insert into leads values (8916, 21, 6585993);
insert into leads values (20329, 1, 6585993);
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hidden batch(es)
SELECT
lead_id, status, owner
FROM
leads
WHERE
owner = 6585993
AND ((`status` = 1) OR (`status` = 21) OR (`status` = 3))
ORDER BY
CASE `status`
WHEN 1 THEN 0
WHEN 21 THEN 1
WHEN 3 THEN 2
END
LIMIT 1
;