UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eMrkVGvRbqkWxaAQUFsPEQnOaTJzBpCv+tjkHxvnlnA=' 
WHERE 
  key_id = '936d204fc7bf0fa22c0c9c1337b500db479bb18e887e11eb5731092e8e04a5dc' 
  AND (
    token = 'eMrkVGvRbqkWxaAQUFsPEQnOaTJzBpCv+tjkHxvnlnA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )