UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTxm+VPR3UB8D7k3yaxgqmjEzXsaPTjvAzRTy/gugl0=' 
WHERE 
  key_id = '91673ccc611d24d462e4d00671dcf90d160587f2ab584a29277de572e8dad6d5' 
  AND (
    token = 'MTxm+VPR3UB8D7k3yaxgqmjEzXsaPTjvAzRTy/gugl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )