UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SfFk9LCGzSZUawOG3R2A0Si0NROcLYVuz6hmEjsojLc=' 
WHERE 
  key_id = '15d6aa7ca9cebb8f6d917eff1e9355d520121ce3aab4d4f500ac536a59a0a85b' 
  AND (
    token = 'SfFk9LCGzSZUawOG3R2A0Si0NROcLYVuz6hmEjsojLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )