UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FKYQDKnZPk40XnvUQG2uR7eiMPKSnViWG7JNS6Xe1VE=' 
WHERE 
  key_id = '542f0e23994df646d2222edff0e24b73bef8dc7af8ed307173e1163f774488f8' 
  AND (
    token = 'FKYQDKnZPk40XnvUQG2uR7eiMPKSnViWG7JNS6Xe1VE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )