UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6zGkRtIZ/ruTncYbx0BlwyoKCNJxc19soYyyj2RtRRY=' 
WHERE 
  key_id = 'a1f5fbd233ff7fac00e9f658642e1ae75d9c2323253fd4623f12aa71f5fd01ed' 
  AND (
    token = '6zGkRtIZ/ruTncYbx0BlwyoKCNJxc19soYyyj2RtRRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )