UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p67bQP5L1a+coWb/KmMu5cb4b3hB1tYuQ31l4Gxcu4E=' 
WHERE 
  key_id = '16a761655e83383e64c6d95f020c65f6b86c0a6af9c10cc08614b445c0496be4' 
  AND (
    token = 'p67bQP5L1a+coWb/KmMu5cb4b3hB1tYuQ31l4Gxcu4E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035