UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Mm/nhEYfUrEtooJWlkBasgkNBU01uDdPx2mHaOLtwQ=' 
WHERE 
  key_id = '6db0098d115b97f863bc78c329ebcc08374365999a59b75ed1485973eb5c973d' 
  AND (
    token = '6Mm/nhEYfUrEtooJWlkBasgkNBU01uDdPx2mHaOLtwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )