UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cMgFW8Mqd1odsKJSTmJOYexixufDZnKb7ZpAXdDurYk=' 
WHERE 
  key_id = '05178f9cfb5de1f3f57155855ab942d09fa0db3ecccc6732d17dc7d7e2ef9352' 
  AND (
    token = 'cMgFW8Mqd1odsKJSTmJOYexixufDZnKb7ZpAXdDurYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030