UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/6DwNmlw/qiF9oBdbY4JXpuRqLfc76DEs/5RGJhsX3A=' 
WHERE 
  key_id = '81614f76a324b295025b2202fc5bb887408a689e3a9cc56f0c4d8070aac1fb4e' 
  AND (
    token = '/6DwNmlw/qiF9oBdbY4JXpuRqLfc76DEs/5RGJhsX3A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )