UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RNqZ522/w5stFC0nM91kDajzIhKKXNsYiF+XkjYKpWU=' 
WHERE 
  key_id = '750e1f8cf901454058bec7dfb80889ca50cb65c91ba0e07c9d6cfc686205e4e2' 
  AND (
    token = 'RNqZ522/w5stFC0nM91kDajzIhKKXNsYiF+XkjYKpWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )