UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zxoxTldl/505Onnfz6Nfblrv/XgVu3cyIPp0aom2nxI=' 
WHERE 
  key_id = '503c8b8a8ee8cb2348ef8f372dcb7d0f9968cee47218218816f9c9f29a7e1eac' 
  AND (
    token = 'zxoxTldl/505Onnfz6Nfblrv/XgVu3cyIPp0aom2nxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )