UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6UV6rkQdwhVtHlx6wUYgdSDCwYSooRndVIzL5G3VKZg=' 
WHERE 
  key_id = 'c51f597e5a609dcb9c5e6e92feff0f13b3ca14c254371dcc39179d9d1a8abbcc' 
  AND (
    token = '6UV6rkQdwhVtHlx6wUYgdSDCwYSooRndVIzL5G3VKZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )