UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z3tYuCVptiii5X093pCsiGvkR8oh1kDPWRLgH7XXO1w=' 
WHERE 
  key_id = '971efc03461aa7b8d8368ebca82e383ac9c3465d1772da23d8f852eea17491ac' 
  AND (
    token = 'Z3tYuCVptiii5X093pCsiGvkR8oh1kDPWRLgH7XXO1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )