UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/FeNyh76Mf8OwSrClgFnuSrBYttYWmgHxY5hUFfW+wI=' 
WHERE 
  key_id = '50e614a2c65f2134cca542f228e065b5cb882ed139bd44ed41236ebebca8b3e3' 
  AND (
    token = '/FeNyh76Mf8OwSrClgFnuSrBYttYWmgHxY5hUFfW+wI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )