UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6lkCt1ssI+nEWHw23NVlH7fbb7CXyqDwD5+YEEH69GY=' 
WHERE 
  key_id = '56a8d27be0c80c371e9514de75b9fe7e4935bcc566322e4d49df05cc5ab88625' 
  AND (
    token = '6lkCt1ssI+nEWHw23NVlH7fbb7CXyqDwD5+YEEH69GY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )