UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pDhJQOvoZKy4YUIOGzbkUMAz2CaUwHhuE1eMLQDju/8=' 
WHERE 
  key_id = 'df3aff8de3a25ae689ef58c867c135ba98434e09f81f36cc554f52ccd7d1f990' 
  AND (
    token = 'pDhJQOvoZKy4YUIOGzbkUMAz2CaUwHhuE1eMLQDju/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )