UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0/JNslkgTT5HP+iOn+9QG6wje8CbqK/XNu6dtzmnY3s=' 
WHERE 
  key_id = 'a69aef4afc8148d8dedf503bb49b004512ad0d63bb3b67a008fd2d966d0b30a1' 
  AND (
    token = '0/JNslkgTT5HP+iOn+9QG6wje8CbqK/XNu6dtzmnY3s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020