UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6nkzVH2B8OKk1VNYySSgwwqNVbm2SsSv1yf5jZrNKoE=' 
WHERE 
  key_id = '08887976ceb5cc2f823de34c7df0c2c4b8f6bff465029125be166036b82c32d1' 
  AND (
    token = '6nkzVH2B8OKk1VNYySSgwwqNVbm2SsSv1yf5jZrNKoE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )