UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+vnJ9cE9zM/4mMIWpL0KCv/KLJDoC5fhTH47to7QY8s=' 
WHERE 
  key_id = '9453e6983fee556cefbde7ea1e081f77888ac21450a6ae057532303b05d92b53' 
  AND (
    token = '+vnJ9cE9zM/4mMIWpL0KCv/KLJDoC5fhTH47to7QY8s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )