UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TjWl56A9Ia7YlURXwXnjtI29niQvvyTW1eG5ghFXTzs=' 
WHERE 
  key_id = 'b7fda4e4e24b0e44b369d1887a12d0576f1fd288acc44f8dfa3c83612332a06b' 
  AND (
    token = 'TjWl56A9Ia7YlURXwXnjtI29niQvvyTW1eG5ghFXTzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )