UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3K+S/s8uQ1oy7kTxfduyc4kfrP3TmZsJwxF7TmB0qKQ=' 
WHERE 
  key_id = 'a6681b257f316720016e701ac5aa90b758f62a7ad77cf4b8339868dbf303f593' 
  AND (
    token = '3K+S/s8uQ1oy7kTxfduyc4kfrP3TmZsJwxF7TmB0qKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )