UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qCEIy6Kp16uDjkzWzvoTzy3A3uQareBK7t1QhvSNluA=' 
WHERE 
  key_id = '9747851e9a364617a6c091b182ac5cde96aa8efafca52e80f5e69542ca7f0a1a' 
  AND (
    token = 'qCEIy6Kp16uDjkzWzvoTzy3A3uQareBK7t1QhvSNluA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )