UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mgbAbB6AMiFBCvMh9TIAURqEr/YQWNaoTBJa2CX1EzI=' 
WHERE 
  key_id = 'c762cb081e0849543978f3c124a11fd078c447c8f19ed69ef05c15d18c82f60c' 
  AND (
    token = 'mgbAbB6AMiFBCvMh9TIAURqEr/YQWNaoTBJa2CX1EzI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )