UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wkAn7SCaW9SggHTKWoBWkE+EczNaU6AL0Q8GwHdiEV8=' 
WHERE 
  key_id = '8fb44a30310bc46b12496cced9cca3c2e936bd9901c39015285efefa61361634' 
  AND (
    token = 'wkAn7SCaW9SggHTKWoBWkE+EczNaU6AL0Q8GwHdiEV8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )