UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hPmk7y+7vVTGRfGhbL5TUWpfe+o5myVhkj6Ibh+ffbY=' 
WHERE 
  key_id = '939e43f6d1ad49e94af993c482129bed4ea505bf10adf815812dcda5bf01fb1e' 
  AND (
    token = 'hPmk7y+7vVTGRfGhbL5TUWpfe+o5myVhkj6Ibh+ffbY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )