UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4z+EG2lpaCyhE6kfOmH7znTaqKMFLaB53YU6NpXLgeY=' 
WHERE 
  key_id = '53df968684595b7a05604c9a6560154cbbfc7dc4d2d5854e33a62c92df21aac4' 
  AND (
    token = '4z+EG2lpaCyhE6kfOmH7znTaqKMFLaB53YU6NpXLgeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )