UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rfM2v+CTRDk44ToTLm7dSEatTK8TiwbKkZwYgAbyX0k=' 
WHERE 
  key_id = '6924fa1e7090d49e2d4740a81e9a9494302765183ab7b6fd7bdb62d32ab1b7ee' 
  AND (
    token = 'rfM2v+CTRDk44ToTLm7dSEatTK8TiwbKkZwYgAbyX0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )