UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gtz8xI68mE2QAcvvU/iwZ0aZbB7caMRSQpKuFhmmzjE=' 
WHERE 
  key_id = '3bf71a8bc22e9abaf3055da153b7cd188c456b3dd47557289b2d607dd78d7fd2' 
  AND (
    token = 'Gtz8xI68mE2QAcvvU/iwZ0aZbB7caMRSQpKuFhmmzjE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )