UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gC8GVG1LnDDqnrHj3OqZYjLJ7d2TT3WQeloycxeiXqU=' 
WHERE 
  key_id = '81810e3eccdab2d562f6c78fa63d0bc8687364ace3b4d3b1f9d65f6c5ba01748' 
  AND (
    token = 'gC8GVG1LnDDqnrHj3OqZYjLJ7d2TT3WQeloycxeiXqU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )