'Validate that TTL is > 3600 if set, and fail if not
:param clc: clc-sdk instance to use
:param module: module to validate
:return: validated ttl'

@staticmethod
def _find_ttl(clc, module):

    ttl = module.params.get('ttl')
    if ttl:
        if (ttl <= 3600):
            return module.fail_json(msg=str('Ttl    cannot    be    <=    3600'))
        else:
            ttl = clc.v2.time_utils.SecondsToZuluTS((int(time.time()) + ttl))
    return ttl
