UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Mfl+YUmu6nO1pqrZz5x13/1E+yMdmn1wXdnSaKQkqs=' 
WHERE 
  key_id = 'fd5af557e7f265073ed3573cd187a3bc7805c79047554f1f74e6fc5b926ce817' 
  AND (
    token = '+Mfl+YUmu6nO1pqrZz5x13/1E+yMdmn1wXdnSaKQkqs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )