UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xqtLYl17yBZjDyYEOw6hFWNfhAdoGo41PaTLfYIWXPk=' 
WHERE 
  key_id = '876786ae911523940cdd0b7f84db941326800cf57bcbbbc8ff8d6206ff0467ee' 
  AND (
    token = 'xqtLYl17yBZjDyYEOw6hFWNfhAdoGo41PaTLfYIWXPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )