UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4EVJAvEaU3rOkzFB/CNAP7YX/zvRr4sfiE38ZM6CxcI=' 
WHERE 
  key_id = '28c842adeba5e1f4ac7553c8d9877f0390daea45e275814a53586d422b72f474' 
  AND (
    token = '4EVJAvEaU3rOkzFB/CNAP7YX/zvRr4sfiE38ZM6CxcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )