UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Phhz7Iy3IE4HMmXRTgjtXq5WfWt7hHLPYymnZCOzPlI=' 
WHERE 
  key_id = '9e1f383e2956e95555438c999ce40a9263fb57d878c15c0e7426a7f0cf39d2f0' 
  AND (
    token = 'Phhz7Iy3IE4HMmXRTgjtXq5WfWt7hHLPYymnZCOzPlI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )