UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6qBSxb8KUukR25ywypsdgfMRavC3YLInu/pMH62EsH8=' 
WHERE 
  key_id = '81ce5a1fa358772253608b3a494e42807675cb24efc81a18b5ac615684d3952f' 
  AND (
    token = '6qBSxb8KUukR25ywypsdgfMRavC3YLInu/pMH62EsH8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )