UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a7IYJM2wPpghx9BR6VaFWX8lPH+PUqu0KzXap5xArS8=' 
WHERE 
  key_id = 'fa9ef9f20a1adff1e4487406f802b5b8e789fa7ad77eb5dab833b29dd8943b50' 
  AND (
    token = 'a7IYJM2wPpghx9BR6VaFWX8lPH+PUqu0KzXap5xArS8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )