UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4B/PydZmO4q+/ePBa9ZnuL0mRXX5GkZRlRwJjEg1uZ0=' 
WHERE 
  key_id = '1919b5a83a32ed889ff651641473a19251276285278f2f17eebabd576d918642' 
  AND (
    token = '4B/PydZmO4q+/ePBa9ZnuL0mRXX5GkZRlRwJjEg1uZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )