UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y1X3uVfa0E+7zOHKHbs0R6ZkS8IW5XhrKejnQ9sHS0Q=' 
WHERE 
  key_id = '4d4ef903a0ef8848eb1adb4d518d75de2e85a2d5766ed3fc129eb61ca3dba859' 
  AND (
    token = 'Y1X3uVfa0E+7zOHKHbs0R6ZkS8IW5XhrKejnQ9sHS0Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )