UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NnEguYKgYL79ud0GK0ockeZrFr86pfI7no3yflOrps0=' 
WHERE 
  key_id = '6ec9937c0b6d9cda41afc5124802d4b6718e9ce2442afa387341a754feda169f' 
  AND (
    token = 'NnEguYKgYL79ud0GK0ockeZrFr86pfI7no3yflOrps0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )