UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UhCVY8VfxfYWTIQr9FugXviagxdWnn6WpthF9HfATQA=' 
WHERE 
  key_id = 'a6ce0601aed8e1e78e0d02df9d7312e6bc7cee42c91cfbb3560e905b60983ae0' 
  AND (
    token = 'UhCVY8VfxfYWTIQr9FugXviagxdWnn6WpthF9HfATQA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )