UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Az5aadJwNLFxt8kqPr0B2kwjbAr/Ufg8kXAQam2JydI=' 
WHERE 
  key_id = '3c19b1d05427b72d8eacd07c215898e9346c52a82c5f2c473b7edb42ede50939' 
  AND (
    token = 'Az5aadJwNLFxt8kqPr0B2kwjbAr/Ufg8kXAQam2JydI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )