UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fk/Na6QzWU9+YUM2f/2zTI120713iFUNqx5p9Fu0jP0=' 
WHERE 
  key_id = '87969b3bac718629de6adc1ea865931f374855fd67a7e516c89f94c8dc332684' 
  AND (
    token = 'fk/Na6QzWU9+YUM2f/2zTI120713iFUNqx5p9Fu0jP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )