UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UsrwPpaJI6dN3C9RffchycADUk/pMtRVvlKo319+lQY=' 
WHERE 
  key_id = '540e9d0c7f5553bf0c0d05b0899c8a8f67ab33f27e2a58b899aad28042c3d905' 
  AND (
    token = 'UsrwPpaJI6dN3C9RffchycADUk/pMtRVvlKo319+lQY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )