UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MeR8rL51EaB6tQL6srtgzZxbQSCderv6DSQdp52rE2k=' 
WHERE 
  key_id = '7e2d98f7404e3951c8e929228310b74e0e581d7a2f1303f6740ef253b6e4d3b7' 
  AND (
    token = 'MeR8rL51EaB6tQL6srtgzZxbQSCderv6DSQdp52rE2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )