UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'heSv9EM3PUgfjQKCrRYPuNMqPBQbQMDypYtIxeiJKRc=' 
WHERE 
  key_id = '52f6b308b611b1096d01e8077249a78097c7af912e936dd68834e1e951871b5f' 
  AND (
    token = 'heSv9EM3PUgfjQKCrRYPuNMqPBQbQMDypYtIxeiJKRc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )