UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+8NQhI5BrgmI05MgqPQo7nZVBVvn6FUJzHmRpsu8nfc=' 
WHERE 
  key_id = '1834949b2d0043b15c53af30615ecb7ed9ac074ba2f6ecba9fdee7b8237e143a' 
  AND (
    token = '+8NQhI5BrgmI05MgqPQo7nZVBVvn6FUJzHmRpsu8nfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )