UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VzCMY9vNgS/e+7yTLobWX18W36Xq8VpQpo5p/Iahrsg=' 
WHERE 
  key_id = '2e5a0ddc95e2113bfce35924f8c6f2ca42349c406dae852c985bad0c7e2187e3' 
  AND (
    token = 'VzCMY9vNgS/e+7yTLobWX18W36Xq8VpQpo5p/Iahrsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )