UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6F8XVyz3qNpSVtbyzhLSLq4yClP5hTBnFtkpeUyijFo=' 
WHERE 
  key_id = 'b5b193ca25794ae89a49c1f8b790e02897afe0674841e88ac1e3a18d7b5a766f' 
  AND (
    token = '6F8XVyz3qNpSVtbyzhLSLq4yClP5hTBnFtkpeUyijFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )