UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IBQKJkr7cd6xcXv3V3oYO+MpsxSaoRxqkPEIwsFtRlw=' 
WHERE 
  key_id = '53b869120d64cb1fc5e9c13a4d86480d9f58706625933c170c3fb3ac0033ce39' 
  AND (
    token = 'IBQKJkr7cd6xcXv3V3oYO+MpsxSaoRxqkPEIwsFtRlw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )