UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bkO7lFzlqA3CKc3u2HdbVGUU7SF2xgsHvxOtZVCb8kQ=' 
WHERE 
  key_id = '821fe9a93095956e54690c8de0df698b26a911d9f026f5b065db4a3db27ef641' 
  AND (
    token = 'bkO7lFzlqA3CKc3u2HdbVGUU7SF2xgsHvxOtZVCb8kQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )