UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aEKb5RsC5etUKa2JYgSf+5SuNvZFaAOwaldYslmshyc=' 
WHERE 
  key_id = 'ab8862874dd096456da0ac8d068a3e2a5a87195291c497f321917ede83761b85' 
  AND (
    token = 'aEKb5RsC5etUKa2JYgSf+5SuNvZFaAOwaldYslmshyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )