UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KHBw9nRJfwEMVZQXik02q1k4dI0bPtZUDke0UxFeZoU=' 
WHERE 
  key_id = '88cd79a16693de8992dbc15169bfa994043e9e85c296db715d0d38fa5aeaf531' 
  AND (
    token = 'KHBw9nRJfwEMVZQXik02q1k4dI0bPtZUDke0UxFeZoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )