UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+wKRQXTql/F93REuwVIR4YoxLih7NqTeV82NIOUVDxc=' 
WHERE 
  key_id = '76144415985a2798d1f466b69e4193bbfc73ca0160382710fc5fdb9811580dc8' 
  AND (
    token = '+wKRQXTql/F93REuwVIR4YoxLih7NqTeV82NIOUVDxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )