UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AtBi/+W51exS9tjaac+AcyNOb7HzQwCBJhAurXQUBt0=' 
WHERE 
  key_id = '81e6ba9883ecec919bd5375ca7ec7c5d94ebcf5a0188143922c6859976005922' 
  AND (
    token = 'AtBi/+W51exS9tjaac+AcyNOb7HzQwCBJhAurXQUBt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )