UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QrlKE0Ywal6WAnr2JRiMo+XaStJh4SnFk/UPvhvDAVk=' 
WHERE 
  key_id = '4efb85a17db34025622bb728f3d2c23cbaec41849058b1884c5d7ad0537a3c1d' 
  AND (
    token = 'QrlKE0Ywal6WAnr2JRiMo+XaStJh4SnFk/UPvhvDAVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )