UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '28ACFBn3Ck1TOVX1fcnp1qE0N5qx5NdjsT6U+l9G3zg=' 
WHERE 
  key_id = 'b8893bf83246a6cf2aa892054acc3abc61f2355e0a0da7adf5f97a87165ea262' 
  AND (
    token = '28ACFBn3Ck1TOVX1fcnp1qE0N5qx5NdjsT6U+l9G3zg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )