UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YDjYiXUpa8gvjS36IA3nJcJs/EvYZx9FHEZSewcsYsU=' 
WHERE 
  key_id = '1368a4479d35ebf8be1a50118c9f46d4b988b27b2a2ca1b1251d1a12e0b90e9d' 
  AND (
    token = 'YDjYiXUpa8gvjS36IA3nJcJs/EvYZx9FHEZSewcsYsU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )