UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rg6GtgEh6SfwCnI9rJhNez+CAu5K198LuUU9n6WxFtQ=' 
WHERE 
  key_id = '9a7c725e67e34240f0ee56e7e874f0f9f76e6c04892fcc0b348df6c958c4d0f3' 
  AND (
    token = 'rg6GtgEh6SfwCnI9rJhNez+CAu5K198LuUU9n6WxFtQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )