UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ylZyeVQvo9h+GhoJimmjtDwXnISTVyjkyqoTRaQ26rk=' 
WHERE 
  key_id = '1f6aa80fddb4d5053aef466a4964e9b08c647948599b5e5cf276ee80c76ab6a9' 
  AND (
    token = 'ylZyeVQvo9h+GhoJimmjtDwXnISTVyjkyqoTRaQ26rk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037