UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eMZp58RLGw71UYjhyoQTL6cNh7bpGr9yBCrOtthbcZc=' 
WHERE 
  key_id = 'c7ccef2bd827b3f0cd8056db0c6d065d9a18d9833ad175b4cc3f1a201b055631' 
  AND (
    token = 'eMZp58RLGw71UYjhyoQTL6cNh7bpGr9yBCrOtthbcZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )