UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6W+L/nD1ckJ0GoN7NNj8hi7RIxp0+VEkH5HYbEeIsoU=' 
WHERE 
  key_id = 'c543c5f033793129299e73ab5abe688869745b089e8574b43fbd0c95bdf42a88' 
  AND (
    token = '6W+L/nD1ckJ0GoN7NNj8hi7RIxp0+VEkH5HYbEeIsoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )