UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nN4TAPVDuws+Qu7VHNUEk0nYfN0tkfxg8MvxL6SIqgU=' 
WHERE 
  key_id = 'bf7bdbadb4504e42f7d3997f4d787d877c785ed15d4cc29a35f054c15e2770f1' 
  AND (
    token = 'nN4TAPVDuws+Qu7VHNUEk0nYfN0tkfxg8MvxL6SIqgU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )