UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2CQKr4/skVr0+1N8ySGhHpFGiZH1RSZfV6WWNQAq6RU=' 
WHERE 
  key_id = 'cab6ff5192b1100029e16922a34fb91ae49a825dba051d304b75fc4d19eafc20' 
  AND (
    token = '2CQKr4/skVr0+1N8ySGhHpFGiZH1RSZfV6WWNQAq6RU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )