UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uZY1fnoH9djHAdBsm2jbbZosJIsxVmtqasAdQLxndk0=' 
WHERE 
  key_id = '68105ee3df4f08d2a8ad4fdae796428b65b564e852b0904b010fb588058e517c' 
  AND (
    token = 'uZY1fnoH9djHAdBsm2jbbZosJIsxVmtqasAdQLxndk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )