UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a0207YkhTPJCHkKbSzwprPOR8Y5IzXmbXwpc65VsciU=' 
WHERE 
  key_id = '4ad21edf762bdb7aed680bf4257e8279f27c7ad3b823fa72bf7826265786018c' 
  AND (
    token = 'a0207YkhTPJCHkKbSzwprPOR8Y5IzXmbXwpc65VsciU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )