UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ahDR4h6YaW6gYWlKQIVGZ9T4kYoRsRZu8OH6vPAESgg=' 
WHERE 
  key_id = '3616c985c7111f6f37d9e9903a3c4f7e8e4aea0de86e3ffc2a54d17d09954505' 
  AND (
    token = 'ahDR4h6YaW6gYWlKQIVGZ9T4kYoRsRZu8OH6vPAESgg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )