UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ydRgESFD+Oje9JZQCXKRqmGuE3U1tSycTalPTlLKfWY=' 
WHERE 
  key_id = '4d595b30ed76d41d845dcbf1f45e9b498b37c66704544f38732af8b836f6921f' 
  AND (
    token = 'ydRgESFD+Oje9JZQCXKRqmGuE3U1tSycTalPTlLKfWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )