UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dwaVSt0ow0xIE9Es/LIfQ76qd4zxXebot6Snd0DJjC0=' 
WHERE 
  key_id = '549277d4a864e5a1bac14441d7292e839bcf233951f80f04c083703e56f3d9d4' 
  AND (
    token = 'dwaVSt0ow0xIE9Es/LIfQ76qd4zxXebot6Snd0DJjC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )