UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sw3uh6Lxir83EzvWMMwj5c7Ngmn9LP4VnUl8oblUtrM=' 
WHERE 
  key_id = '8b30284da8ffded602b3b3e7e8f90f5117a6c81bbdb1f750824b6220f284b8e5' 
  AND (
    token = 'Sw3uh6Lxir83EzvWMMwj5c7Ngmn9LP4VnUl8oblUtrM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )