UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xJXfcGBfRgMET0fVC+1CNCGN3l82MGhlLr+abDU2eLU=' 
WHERE 
  key_id = 'db52b834448317fd91dc381f39257cd35baf80974f5e26e7ea81b4f519f13671' 
  AND (
    token = 'xJXfcGBfRgMET0fVC+1CNCGN3l82MGhlLr+abDU2eLU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )