Changing integration times for Unique IQ isn't a function that can be changed as a user.
Please raise a new case online, referencing the title of this article and including the following information:
Company name.
Client ID.
Name of integration.
How often to send service user data in minutes.
How often to send employee data in minutes.
How often to send visit data in minutes.
How many days of visit data to send.
Support will be able to tell you when the visit data was last sent over to IQ.