UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RHdMoApo4s9mKrPCPI9UmC0Plx94/1fEDJtXtBCwKBc=' 
WHERE 
  key_id = '6ff94e6d6bc2e258a37ebc645bedebfbb7f0920f3fff53c11b93dae64c78a569' 
  AND (
    token = 'RHdMoApo4s9mKrPCPI9UmC0Plx94/1fEDJtXtBCwKBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )