CREATE TABLE calls (
  cls_id int(11) NOT NULL AUTO_INCREMENT,
  cls_action varchar(16) NOT NULL,
  cls_dt_last_call timestamp NULL DEFAULT NULL,
  cls_man_id varchar(8) DEFAULT NULL,
  PRIMARY KEY (cls_id)
)

UPDATE managers 
SET man_blocked = 1
WHERE man_id NOT IN
(SELECT cls_man_id
FROM calls
WHERE cls_man_id IS NOT NULL AND cls_man_id <> '' AND
cls_dt_last_call > CURDATE() - INTERVAL 14 DAY) AND man_id IN 
(SELECT cls_man_id
FROM calls
WHERE cls_man_id IS NOT NULL AND cls_man_id <> '' AND
cls_dt_last_call <= CURDATE() - INTERVAL 14 DAY);