UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q/lUNAx4iK+6QhBavKbuVCtrjLEwAUEfitPC+3Ypd/k=' 
WHERE 
  key_id = '977681fb6ffd7fb4b1f3701eaf7d6769152c7f4fa8b0924e40659a409d91b1f5' 
  AND (
    token = 'Q/lUNAx4iK+6QhBavKbuVCtrjLEwAUEfitPC+3Ypd/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )