UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMN182D08dNBxdgX7lmSkZ2R+C1/nQyzRJUrZgrPuWY=' 
WHERE 
  key_id = '15d2f12b783ae989ebf8888e94b6dec7573baa48c010de2ffb3ad61ca3438a6a' 
  AND (
    token = 'MMN182D08dNBxdgX7lmSkZ2R+C1/nQyzRJUrZgrPuWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )