UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0fxZDdWNPvQNvEAoi9oNTneonhrmppKYDU6lVU0jpDY=' 
WHERE 
  key_id = 'aeda88bc6480f590e6c0a87a89738b7663e84280ceecc29ad2a9720fab795ec4' 
  AND (
    token = '0fxZDdWNPvQNvEAoi9oNTneonhrmppKYDU6lVU0jpDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )