UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CLKPLC0rqp6qbBYLz54bQdHbFGUxERPuB1yVh9pgPDQ=' 
WHERE 
  key_id = 'c8a6fca75de2137d0dfb7559c130516bf198398bc6cd55e9d0dffc7b2dfd3a8e' 
  AND (
    token = 'CLKPLC0rqp6qbBYLz54bQdHbFGUxERPuB1yVh9pgPDQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )