UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4f5lOOAZltM6Yx0i4pTkwJfYQzuIMtkskLgomiSxynI=' 
WHERE 
  key_id = '4ee1ca2e4b1cd7e06a95c1240be3f57a5eea3f0bafe11063115fa8d31a7aa49d' 
  AND (
    token = '4f5lOOAZltM6Yx0i4pTkwJfYQzuIMtkskLgomiSxynI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )