UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zo6KmaNCzGdpViTQbhDih7uVFBwBL8fcoluIvP6b8pA=' 
WHERE 
  key_id = '8c493b6ee8bca435135f34c336a2f522a801d92dd318064970510212da6e56f4' 
  AND (
    token = 'Zo6KmaNCzGdpViTQbhDih7uVFBwBL8fcoluIvP6b8pA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )