UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OKBcBEEvOj0iollMt/e8xfOrB/lX+s6CCOKVmZE6gQU=' 
WHERE 
  key_id = 'e42ed0bd2203e3f2e31d14d4c04de6f8a4b3e47056bc030c9c55fddb09b2a6b6' 
  AND (
    token = 'OKBcBEEvOj0iollMt/e8xfOrB/lX+s6CCOKVmZE6gQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )