UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2e7S3n5WaSOF27lqSgIG9ixMpnJjdbGpuChk0liZkzk=' 
WHERE 
  key_id = '81a5c5eb6f8e6efe447367b336b6571676f5f08050c9aa2a08fc8a78f184d7b6' 
  AND (
    token = '2e7S3n5WaSOF27lqSgIG9ixMpnJjdbGpuChk0liZkzk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )