UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2Tr4DxqG6AJ/zWHyrQiJux63m6qE69/Ra4MhASdFkgE=' 
WHERE 
  key_id = '968b81ff307114a3566ebadcbbcd369f03122e7cb588e73a49f66c627b2c07d9' 
  AND (
    token = '2Tr4DxqG6AJ/zWHyrQiJux63m6qE69/Ra4MhASdFkgE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )