UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FnmawFn6eIjrB8BCz0U+pn93Egs/96d1k6xrURYKY6c=' 
WHERE 
  key_id = '255089d021657987909176d57af20d1d39e7be2a76e8c11955be653a58671b74' 
  AND (
    token = 'FnmawFn6eIjrB8BCz0U+pn93Egs/96d1k6xrURYKY6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )