UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q+KFmWF+8rXaXQtxVDkGf3JiZqvabvliec5xmALY83k=' 
WHERE 
  key_id = 'd639abd34f9c9e7dadac2a654840b5193323dd1213474f8ab802ca2d5919f735' 
  AND (
    token = 'Q+KFmWF+8rXaXQtxVDkGf3JiZqvabvliec5xmALY83k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )