UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2mbJjkO34AvhiqAyHS+vYNw+wVBkAiTWI9xGAS6OBUQ=' 
WHERE 
  key_id = '6500fa6b8065cb1fdc2d18ccef41b39e3e08819d7c5511c0596fca8b9b216903' 
  AND (
    token = '2mbJjkO34AvhiqAyHS+vYNw+wVBkAiTWI9xGAS6OBUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )