UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xwXfuOPkxG5WQ/EnLwFPxrbNGnFxKBFQUbOucESViZU=' 
WHERE 
  key_id = '3946a619c82eebef28571416e923b70976d76607b856468cbbdee182035bc65b' 
  AND (
    token = 'xwXfuOPkxG5WQ/EnLwFPxrbNGnFxKBFQUbOucESViZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )