UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ig9YBZ+2peSuC6QyFDhCWMOyX6vAYCxUdJRAURtMWt0=' 
WHERE 
  key_id = '4a847dcc95247b6b22f453147bcb489d17701d15f685ac7eee95df45e6593261' 
  AND (
    token = 'ig9YBZ+2peSuC6QyFDhCWMOyX6vAYCxUdJRAURtMWt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )