UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'em2Cj7swKRijZXQPL1qJ5DpI1i+/86zUEXqZmEBaI/8=' 
WHERE 
  key_id = '8e2b7852cd3f2573c1e30285c4d4c7016339be75a634f88611acb23500df3e6b' 
  AND (
    token = 'em2Cj7swKRijZXQPL1qJ5DpI1i+/86zUEXqZmEBaI/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )