UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8zFU8bv/NyaaAwXMw3YHHnVHlowGGme5Nak55CS8MW0=' 
WHERE 
  key_id = '39e0f7d1a3d7dc028e11c391c3925c9354e22d9fed2e97b29a67676b583160a9' 
  AND (
    token = '8zFU8bv/NyaaAwXMw3YHHnVHlowGGme5Nak55CS8MW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )