UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cn4aAwwSt8ANVGtpfVKzKpG3Ee2uoaGxUxLSTYHe0O0=' 
WHERE 
  key_id = '3533871a0d9d3efd57857d13602852dac957798cc612bb23be127b4f68a27586' 
  AND (
    token = 'Cn4aAwwSt8ANVGtpfVKzKpG3Ee2uoaGxUxLSTYHe0O0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )