UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VvvXtNeax3311WBzlN9pERdC3yCrmKmVlOQJDh1udxk=' 
WHERE 
  key_id = '6d5cd070cb1e5686beefb747f022adf879d29fc979e4378cc1da2a54e3377368' 
  AND (
    token = 'VvvXtNeax3311WBzlN9pERdC3yCrmKmVlOQJDh1udxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )