UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'md6Eu1zhz+eHicxQE9uzGhE/fe1X7RoNtUO2NJ3ofq0=' 
WHERE 
  key_id = '427198abbc8c3a37fcff0f048f64d8381d86008c1e66d7026041ed0713c9ee1f' 
  AND (
    token = 'md6Eu1zhz+eHicxQE9uzGhE/fe1X7RoNtUO2NJ3ofq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )