UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VLGEvjplBOVaJ87OCUUglB/z75VcX7/OR6OUwW2BfNw=' 
WHERE 
  key_id = '97e3afb42e7d29048458de9d58f836e63754b90c95ae2031e47fbf8de08c4342' 
  AND (
    token = 'VLGEvjplBOVaJ87OCUUglB/z75VcX7/OR6OUwW2BfNw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )