UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QU/u9OgfegD2xoLlngsn91yC7Zi1K6Wezjn4AzNO0no=' 
WHERE 
  key_id = 'e546415af93253557cb4ece3dce0121045cb8a6495de45ea199a036c704fff6a' 
  AND (
    token = 'QU/u9OgfegD2xoLlngsn91yC7Zi1K6Wezjn4AzNO0no=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )