forse sto sbagliando ma modifico cosi':
pero' mi restituisce errore:codice:SELECT * FROM offerte WHERE cast(:2022-05-01 as date) BETWEEN valida_da AND valida_fino and cast(:2022-05-06 as date) BETWEEN valida_da AND valida_fino
#1064 - Errore di sintassi nella query SQL vicino a ':2022-05-01 as date) BETWEEN valida_da AND valida_fino
and cast(:2022-05-06 a' linea 3