UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'buxuu2wwURDjXiBkcJMS+ykFJtyuZJYCSpZs2G6cSs0=' 
WHERE 
  key_id = 'e0a0834c228830a8ec87ac7f4c51674623ba5795406cbe94a1726df10ab441bc' 
  AND (
    token = 'buxuu2wwURDjXiBkcJMS+ykFJtyuZJYCSpZs2G6cSs0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )