UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NCdThbz8hu8b0uVQrApgTPxe3kZ/RDwbqH2XfMamtPY=' 
WHERE 
  key_id = '57dd2956e08f0f60da56ae76ee23d15831adb5cb38de27d713f4dfaaa6fd247e' 
  AND (
    token = 'NCdThbz8hu8b0uVQrApgTPxe3kZ/RDwbqH2XfMamtPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )