UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k5zjNHdw0jQ+FOWq08Bm8SuzQme1apjZheizqsB8cxg=' 
WHERE 
  key_id = '39bb9bd0f70c6e2c5184d3737582d0f9ab04c5f032f84bd057676750e346c739' 
  AND (
    token = 'k5zjNHdw0jQ+FOWq08Bm8SuzQme1apjZheizqsB8cxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )