Mysql error!

Full Query: SELECT * FROM `event` WHERE `company` = 0 AND `website` = 1359 AND (`i_active` AND YEAR(`t_date`) = 2020 AND MONTH(`t_date`) = zmiany-i-nominacje AND i_cat = 1031) ORDER BY `t_date` DESC
Error: Unknown column 'zmiany' in 'where clause'