UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QbG63Irg0xGOibajtz2EKbw7PIeK2qbjWSBJ1Xj/eyg=' 
WHERE 
  key_id = '4b7946c5805c1b4dcb9b27949420223275717c75cb221d8cf3ff1b849efd25b9' 
  AND (
    token = 'QbG63Irg0xGOibajtz2EKbw7PIeK2qbjWSBJ1Xj/eyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )