UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ax5bGR1JlHGhFFCkgVp9PmMIdpnIwI5xTHjmpE+drMg=' 
WHERE 
  key_id = '27ced5eb42041e516eb957b9f3b1058a8f7bd690316a6115b92d1ca4b4af723f' 
  AND (
    token = 'Ax5bGR1JlHGhFFCkgVp9PmMIdpnIwI5xTHjmpE+drMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )