JOIN biblio USING (biblionumber)
JOIN branches ON (issues.branchcode = branches.branchcode)
JOIN overduerules USING (categorycode)
+ JOIN overduerules_transport_types USING ( overduerules_id )
WHERE ( overduerules.branchcode = borrowers.branchcode or overduerules.branchcode = '')
+ AND overduerules_transport_types.message_transport_type = 'phone'
AND ( (TO_DAYS(NOW())-TO_DAYS(date_due) ) = delay1
OR (TO_DAYS(NOW())-TO_DAYS(date_due) ) = delay2
OR (TO_DAYS(NOW())-TO_DAYS(date_due) ) = delay3 )