UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KdkDwznqOf/N8TflfabLno+CWaWL9luPHB6kXvyhj2E=' 
WHERE 
  key_id = 'b8415119a68127e829f3d9bec90d7ae6b3811422d71ef43ff4c7ef2c2507fac8' 
  AND (
    token = 'KdkDwznqOf/N8TflfabLno+CWaWL9luPHB6kXvyhj2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )