Crystal Reports: Best way to write a time query

Hello Experts,

I am trying to duplicate a query that is in SQl to Crystal syntax.  I am trying to get a true or false for the following:

Event_Start_Time is greater than 60 minutes from the Ticket_Create_Date.  In SQL the where clause looks like:
FROM EVENT_TABLE
WHERE (UDF_CONVERT_UNIX_DATETIME(EVENT_START_TIME, 'US/Eastern') + INTERVAL '1' HOUR) < UDF_CONVERT_UNIX_DATETIME(DATE_CREATED, 'US/Eastern')

If I knew how to write the + interval '1'Hour I could figure it out.  The table output is in unix time or I can have it as a date_time format.  I have views that changes the format.

if ({EVENT_TABLE.TKT_DATE_ACTUAL_START} < {EVENT_TABLE.TKT_DATE_CREATED}) by 1 hour Then
    'Greater than 1 hour'
else
    'Less than 1 hour';