UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6Vyn7rQIrKD0vTRX2qhtQE2Q9i+g4W0VOzFAz2fEUc=' 
WHERE 
  key_id = '54a9468cd5572921518ceb01c048926771525fc8ac9f93ef33d4c4edb3ddaa2e' 
  AND (
    token = 'k6Vyn7rQIrKD0vTRX2qhtQE2Q9i+g4W0VOzFAz2fEUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )