UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+3vS5pABN2jV1jK5MKwEfJIuyX0cZOTBBPAJTOFjQUc=' 
WHERE 
  key_id = 'e3421b2582dd2089b1e779363a325eb7399e42b93a11cbc2ff18a50186da3bd2' 
  AND (
    token = '+3vS5pABN2jV1jK5MKwEfJIuyX0cZOTBBPAJTOFjQUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )