UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W/4zAsKZd8JxzpVVXu8uF+T8fYh7gQEW4wV14APA1DA=' 
WHERE 
  key_id = '956abb796033d356d2305d48257eb97c9c9b62efe0e9e184428d7bb4172fd8d7' 
  AND (
    token = 'W/4zAsKZd8JxzpVVXu8uF+T8fYh7gQEW4wV14APA1DA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )