UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mVUvouBw/g46yVefMktAS8zryj2AcUBxxw8ukKxFMW8=' 
WHERE 
  key_id = '1c6a23f74937812024185325c7e6a86c343653b89b1be0a37784cb6fe988420c' 
  AND (
    token = 'mVUvouBw/g46yVefMktAS8zryj2AcUBxxw8ukKxFMW8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )