UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KKmtyBCAc7uv4yO/w2rp3tVN8E0gSTr6Qkmaha7ofJI=' 
WHERE 
  key_id = '3a4ffe11834a98e576c38b35b2014f0a1b52ca23c691f5a5efb390cac6f5ef53' 
  AND (
    token = 'KKmtyBCAc7uv4yO/w2rp3tVN8E0gSTr6Qkmaha7ofJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )