UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rMv2F4NUNZGhvp99tWabIuIiLJDpln9VkGYvhU8xknU=' 
WHERE 
  key_id = '4cf452d6bdb8a364b93bb2eece4f573adf4f532343d09502c9318d95ffd0b86d' 
  AND (
    token = 'rMv2F4NUNZGhvp99tWabIuIiLJDpln9VkGYvhU8xknU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )