INSERT INTO TABELA_A (timestamp,opis,numer,userId) SELECT CURRENT_TIMESTAMP,'abcd',inne.numer,1 FROM inne WHERE inne.numer IN ( 1, 2 )
INSERT INTO TABELA_B (timestamp,typ,numer,userId) SELECT CURRENT_TIMESTAMP,'single',inne.numer,1 FROM inne WHERE inne.numer IN ( 1, 2 )