UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7ypcRLNRJ1zgi8fM0x7SVlQbVBNqo424nHzYrhmP0Qs=' 
WHERE 
  key_id = '343617ae7d73cbd79746a53d1d067765eaecf5bae76126de320cd070c8f56717' 
  AND (
    token = '7ypcRLNRJ1zgi8fM0x7SVlQbVBNqo424nHzYrhmP0Qs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )