UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dsJaZF2mWk+z2Kf/klI1jNfXRH8bFhCRHaqqMmRCCFI=' 
WHERE 
  key_id = '51a5740917c0aedbcd1b961e8332579515cd3fa51bdf5dcfb255094dea23dae4' 
  AND (
    token = 'dsJaZF2mWk+z2Kf/klI1jNfXRH8bFhCRHaqqMmRCCFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )