UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bQm/IhNHQoN/YlBSMVeGYEtzqo5m2PLGHZI4lgDXw0Q=' 
WHERE 
  key_id = '986581c8f78c4dc4942d4c5b1438539fc97b23af20060b64b7bd0be5c1a5755e' 
  AND (
    token = 'bQm/IhNHQoN/YlBSMVeGYEtzqo5m2PLGHZI4lgDXw0Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )