UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u5/pKy5IvWKCxUKXGoqYS8W8JqXSCWluO4hDi5wh/cI=' 
WHERE 
  key_id = '8fdc84278012759a8cac5211e9e18f151c3c0f7003b676a864cdd6d3b7017485' 
  AND (
    token = 'u5/pKy5IvWKCxUKXGoqYS8W8JqXSCWluO4hDi5wh/cI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )