UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+m8ZBIwtohcr65/bkJ/N4tGa6H0bq19I41S0dNitusc=' 
WHERE 
  key_id = '20eb8d399223778e16890e50393b36b16a7df280cf19016e08b44bdeec5c07c5' 
  AND (
    token = '+m8ZBIwtohcr65/bkJ/N4tGa6H0bq19I41S0dNitusc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )