UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6qHgl3+4JAWa3dn2wyVemWaYmEnkk1mNnIkVrqkcCUU=' 
WHERE 
  key_id = '0d17ee37586f1f9b2e89535baf839492c41ec0bab58b992febe4f89dec0a7b95' 
  AND (
    token = '6qHgl3+4JAWa3dn2wyVemWaYmEnkk1mNnIkVrqkcCUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )