UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tguz6Eb4Vl16myqKvFCUVa5R45xI21n8sD9NRbSjkdo=' 
WHERE 
  key_id = 'b746827eb2453826d92b7d3219be8f46fa263536411f54584d9c6dee6bb2aee4' 
  AND (
    token = 'tguz6Eb4Vl16myqKvFCUVa5R45xI21n8sD9NRbSjkdo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )