UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RmJFEzEr2P8MNST0lcxF5ZcKfbICPu8jegCQileBD4s=' 
WHERE 
  key_id = '4796d65e3639b1a44aff51ca23395993e989e11af227c73da5844e2d51f20f0a' 
  AND (
    token = 'RmJFEzEr2P8MNST0lcxF5ZcKfbICPu8jegCQileBD4s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )