UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'okkbckwh+uw2Db5Msz+FtB9aUd2z+wL86uBDICVcs+o=' 
WHERE 
  key_id = '2936a38283f06b14174cf381967b4e078a0bf3b9da5812e2e4aee9614fc25928' 
  AND (
    token = 'okkbckwh+uw2Db5Msz+FtB9aUd2z+wL86uBDICVcs+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )