UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nxxcgkO7g1F8eeJgDe2QEbufgvPaFMkYkJGPEDu4FuU=' 
WHERE 
  key_id = 'c080c9f4d9e14503b791932ecbfe3388cc3d614406af383ee6dd2b6ad87cf1f4' 
  AND (
    token = 'nxxcgkO7g1F8eeJgDe2QEbufgvPaFMkYkJGPEDu4FuU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )