UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PZIC68I50fEe3R+/dX8siCDNea047dxin1hYK9jKtis=' 
WHERE 
  key_id = '1ef8ce85a2f325a4da7b598d17613c7e68aeb7c1251544dd578b1fa98c83eb21' 
  AND (
    token = 'PZIC68I50fEe3R+/dX8siCDNea047dxin1hYK9jKtis=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )