UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3Zf+s21kAL7ZcA+jRjRyx7gUJuSRowlHMeuftic23SU=' 
WHERE 
  key_id = '55c344da230b9b3036e684d047cda043d56fa7279698ceb1567f3150f4b4f845' 
  AND (
    token = '3Zf+s21kAL7ZcA+jRjRyx7gUJuSRowlHMeuftic23SU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )