UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gGHMJTyLIU9ZEHZlwei1ldzV8LPgVbLuiVsfFp+S+B4=' 
WHERE 
  key_id = '5ca3bf60faa3de3891dacd7b4794566f2ea1394e7129241382768d294004a158' 
  AND (
    token = 'gGHMJTyLIU9ZEHZlwei1ldzV8LPgVbLuiVsfFp+S+B4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )