UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BGKpPisiXbu/0ULwM2Qvy9EYitsBBSnk9NijOGOg+BQ=' 
WHERE 
  key_id = '899d35a666923526895d89cf0acfb4fdfc0c5917a347d7e485e4d848dcfe7b2c' 
  AND (
    token = 'BGKpPisiXbu/0ULwM2Qvy9EYitsBBSnk9NijOGOg+BQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )