UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/eQGxmU7lw7bfbEBYs7lADXlK4/xUD5qVL1bt9anM5o=' 
WHERE 
  key_id = '121ba1798a383d8c8843260265c1d4ffa3daeede1257837081f6c9df1f582050' 
  AND (
    token = '/eQGxmU7lw7bfbEBYs7lADXlK4/xUD5qVL1bt9anM5o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )