UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AiX3uMNZvAoJ1ieR3UygEnwTakQ9oKlw0+XPgoKzXCA=' 
WHERE 
  key_id = '526f049cda4853faecd161b5954a3fa161496d2d8c152524f924de462842fb51' 
  AND (
    token = 'AiX3uMNZvAoJ1ieR3UygEnwTakQ9oKlw0+XPgoKzXCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )