UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i9p4SeOpweLkig1h49/OO9Yt8AXn+d1XFf5fiMS4izY=' 
WHERE 
  key_id = '3d92a2f63dc15ad2df0de1465f50077376fac4e7dba4b1d2f6d0636f7aad3bdf' 
  AND (
    token = 'i9p4SeOpweLkig1h49/OO9Yt8AXn+d1XFf5fiMS4izY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )