UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WBuFgne2yFpMVPB/UVvv7kmOK051xDMw6K/3ddXP/dU=' 
WHERE 
  key_id = '389fd9a4e380438e081040eac632be84ee8b85a2376da31a8051c3e18f042a51' 
  AND (
    token = 'WBuFgne2yFpMVPB/UVvv7kmOK051xDMw6K/3ddXP/dU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )