UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MOxAxK9MZOYKKCJkAm5dnBkKWS25+UW+eULECfUusI0=' 
WHERE 
  key_id = '2c9a52dfe38a63d0eafd787c555945ea45765813920d1c6669c215e112dd216b' 
  AND (
    token = 'MOxAxK9MZOYKKCJkAm5dnBkKWS25+UW+eULECfUusI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )