UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rw+TCEnx+zJ5fHYRkcK9LoY/qbqMC8IPsDc2NdX4NyE=' 
WHERE 
  key_id = '27d885c72f87312967406cd271fbd057be6d139e44543d7ed00d42b521329b6d' 
  AND (
    token = 'Rw+TCEnx+zJ5fHYRkcK9LoY/qbqMC8IPsDc2NdX4NyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )