UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XzzJAlk+mek9O/C/XkBefqgtzIru0YXSk37Ok/znLGw=' 
WHERE 
  key_id = '9be4f735755edece25a4b32f184b4160e290ae4580267311505bb539b524b13c' 
  AND (
    token = 'XzzJAlk+mek9O/C/XkBefqgtzIru0YXSk37Ok/znLGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )