UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ikrVvZoO2pwGZX808r7u8PnIvvxUXatvigzpFWViafI=' 
WHERE 
  key_id = '839bb27d2ba9c36d418111ba2cf00d57fb36f75264da27442e443bdf7214318f' 
  AND (
    token = 'ikrVvZoO2pwGZX808r7u8PnIvvxUXatvigzpFWViafI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )