UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PYybGNQONnaFT4ZDFnBoR/TV0yot8nPVobByz4fMzh8=' 
WHERE 
  key_id = '6ffd1fb88ebdb2af3e97b7c00f26bdb5fac8fee6b339c623fd3dbcfa2b60edb5' 
  AND (
    token = 'PYybGNQONnaFT4ZDFnBoR/TV0yot8nPVobByz4fMzh8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )