UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/DEmfu6GNuQQArKYVsqqvOzQ5gtjkWxQo8gk2qx2hDg=' 
WHERE 
  key_id = '518e684a15a0da137b68d353375e08fba6bf09a5d8bbb24558c2e8b0a4003529' 
  AND (
    token = '/DEmfu6GNuQQArKYVsqqvOzQ5gtjkWxQo8gk2qx2hDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )