UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'le8Ay09pp0/RlbSZMUFserGhM5uYJvrWN9qr08arNE0=' 
WHERE 
  key_id = '4f7e955544479ecdbdec93fe314158e2d682b6adafdcd7fcabf8bd21c13af879' 
  AND (
    token = 'le8Ay09pp0/RlbSZMUFserGhM5uYJvrWN9qr08arNE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )