UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f3ylIp7El0pxDhGp+okyrTE4rUYRsS2/Ltu5eBZB+xA=' 
WHERE 
  key_id = '3993087b2f7f4fd3c74a530dd69c51ceb9a50733e453fce707ef565d213dc2e1' 
  AND (
    token = 'f3ylIp7El0pxDhGp+okyrTE4rUYRsS2/Ltu5eBZB+xA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )