UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k20KrQK3d4AVyFBCmj+6V50RY51tYSUqn0qYtclSukE=' 
WHERE 
  key_id = '46806e2e05d6d9dd1a91233cf3a911bf29a618665b31929eda2c41494fb35e74' 
  AND (
    token = 'k20KrQK3d4AVyFBCmj+6V50RY51tYSUqn0qYtclSukE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )