UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XL2u8VJ94Zy77UMWkCos+jPbBxGLleVYeAM9BzHUudk=' 
WHERE 
  key_id = 'a7907b743832f8aad24d19ddd86268529cb1676fa356b62702b84d9c9050a008' 
  AND (
    token = 'XL2u8VJ94Zy77UMWkCos+jPbBxGLleVYeAM9BzHUudk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )