UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'euClMKF1WP8y1gCUHq0ZWO4k4E/ksVUf6bvkX5fDY7A=' 
WHERE 
  key_id = 'fbe6761b794e066fa95a7cc0db0e59fd18f48360510c7ac33c2ee3eea2a8e347' 
  AND (
    token = 'euClMKF1WP8y1gCUHq0ZWO4k4E/ksVUf6bvkX5fDY7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )