UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zfmRDkT019ggMYvXHN6nAXVxgw5M7zutI7oIzeisLlo=' 
WHERE 
  key_id = '56e9575983b0992ad6bc87702ee024ab30e993f31a3fdf85a126852138fa39e2' 
  AND (
    token = 'zfmRDkT019ggMYvXHN6nAXVxgw5M7zutI7oIzeisLlo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )