UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3/+3DZDuIB9LOIM5LGmapBcrle/jsiWFVY/Hl/PSdN0=' 
WHERE 
  key_id = '540e121af2295f1db8e1803d04c8b925eb256379043f766f2ad72b8fdf061068' 
  AND (
    token = '3/+3DZDuIB9LOIM5LGmapBcrle/jsiWFVY/Hl/PSdN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )