UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5kNs39xJVAdX7doPjJcpr/9K5PpZl25MgaKF6zNjxyE=' 
WHERE 
  key_id = '731b08fe62adbcd6fb288722c5a186cc8d187585822264605bf703c7dd7e8396' 
  AND (
    token = '5kNs39xJVAdX7doPjJcpr/9K5PpZl25MgaKF6zNjxyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )