UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/NwrnZWveCo971DOXiUu7/8Lb+cLxcjbh7DujGcyN5o=' 
WHERE 
  key_id = '4950f9ff55c4ab0b1996e4f2ad92e1dd9780537388931f0af486b4122410df52' 
  AND (
    token = '/NwrnZWveCo971DOXiUu7/8Lb+cLxcjbh7DujGcyN5o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )