UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6sqMItLeYtcm+ooXAvt7h5H+cWO1BKDEvjOUYG+rr8Y=' 
WHERE 
  key_id = 'fc6c9a00f0e3015b43c8f5453e7a4b45dfe4ea36c5ce9c059b5fe52b05f79244' 
  AND (
    token = '6sqMItLeYtcm+ooXAvt7h5H+cWO1BKDEvjOUYG+rr8Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )