UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UC/wTb+oxuAzSCkXIOpyXvrqdihSnpCDLPkSnyHzBGU=' 
WHERE 
  key_id = '68a08c1f841fcb8616e4805f0857b2358ca736d745d10d318900c3d8b0482349' 
  AND (
    token = 'UC/wTb+oxuAzSCkXIOpyXvrqdihSnpCDLPkSnyHzBGU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )