UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w4zCAEk7VL8yngzFuCfwgUL9ZjBpKTGRD3OG5XbC08s=' 
WHERE 
  key_id = '39918b4dfe027a376fbf8e2314ad63ae5b9c384586703b4fd368e4594b72987d' 
  AND (
    token = 'w4zCAEk7VL8yngzFuCfwgUL9ZjBpKTGRD3OG5XbC08s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )