UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1Zr6gFeTl9HLJwguX2bqZUiL9IWsWXOwjDtMDB+A+3U=' 
WHERE 
  key_id = '54f0d447976b1cbd23c442fcc73be0f7ac1edf34720a821fe23ad15531343439' 
  AND (
    token = '1Zr6gFeTl9HLJwguX2bqZUiL9IWsWXOwjDtMDB+A+3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )