UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'epM737UxANaRMkHzQSKpXf7l+K8lhA9qVBbprALYybY=' 
WHERE 
  key_id = '0dbc4f7e8f0db962631493b4e28bb56c9a70eee5a2625802d1de01c6316edef2' 
  AND (
    token = 'epM737UxANaRMkHzQSKpXf7l+K8lhA9qVBbprALYybY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )