UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j6yQFgoWCYoY5WpNdJMQHQehRHktRP7+p1qA0NPEC4A=' 
WHERE 
  key_id = '2c8346378776820c739a014606be08439001e9d5d6534a840d0e507b0fdb977c' 
  AND (
    token = 'j6yQFgoWCYoY5WpNdJMQHQehRHktRP7+p1qA0NPEC4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )