UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RtT2HhsWCQMH+bcsKjmoKyOZ964mkzeT7effocemVfo=' 
WHERE 
  key_id = '8706fdaceab23cc761ea08f3e02e6d4ff4812197417fb5e89805bf47272e2769' 
  AND (
    token = 'RtT2HhsWCQMH+bcsKjmoKyOZ964mkzeT7effocemVfo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )