UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6krB4ExN2oDQ7InVZimLO8bPqohI7wKHlPhbalClrpQ=' 
WHERE 
  key_id = '6516e081a74b543ea46fdd8f7058bacfe347a8ffcb61a27efc139d3d296ce509' 
  AND (
    token = '6krB4ExN2oDQ7InVZimLO8bPqohI7wKHlPhbalClrpQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )