UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1jffzk3l70Nk8M9QokPzvT/djBvTytmS7VaAY0j3DuQ=' 
WHERE 
  key_id = '21ef34b8928e315d5fd49079cd58e3eb05ae364719f9afe70b87dd342d5cc9a2' 
  AND (
    token = '1jffzk3l70Nk8M9QokPzvT/djBvTytmS7VaAY0j3DuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )