UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'skfK7QzbAnZOBUJQX/40vo3lP8ZqktJpKt4aAVvpdQg=' 
WHERE 
  key_id = '83acaac8f7a19389bdf1c424239aaff94723f2454926337edf09b8deef9090d6' 
  AND (
    token = 'skfK7QzbAnZOBUJQX/40vo3lP8ZqktJpKt4aAVvpdQg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )