UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W1gZhVDnCqmlEA2oYHtSmFuwDM67rPiiUh5GIjhec0o=' 
WHERE 
  key_id = '9d2d4629c2a7a584894c4f1a005cec3f33d195ee0c2217e53883f12a5237d065' 
  AND (
    token = 'W1gZhVDnCqmlEA2oYHtSmFuwDM67rPiiUh5GIjhec0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )