UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z39jxD3KZOxou0F7O1+qZZtae5jlsReY3qYfc6HO/tU=' 
WHERE 
  key_id = 'c95f2237e7b3ec3dacf62e32a10216965fe78aedf883a971007a3c160659bb5f' 
  AND (
    token = 'z39jxD3KZOxou0F7O1+qZZtae5jlsReY3qYfc6HO/tU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )