[Advaita-l] Help needed in locating a verse

[V Subrahmanian]

Namaste

In His Viṣṇu-sahasranāma-bhāṣya, Śrī Shankara Bhagavatpāda quotes the
following verse:

मुहूर्तमात्रेऽतिक्रान्ते भगवच्चिन्तनं विना ।
दस्युभिर्मुषितेनेव युक्तमाक्रन्दितुं ध्रुवम् ॥

Kindly help locating this verse in the above bhashyam and also its original
source.

Warm regards,
subrahmanian.v