UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CyCNpWikcYRdPfY8nSGqQSx6IOTZCrAYbZmSrLdlzf8=' 
WHERE 
  key_id = '6f91a763e4e33d19e28e99c254258855e254bcd81d9c1e0e48a7270a2650f314' 
  AND (
    token = 'CyCNpWikcYRdPfY8nSGqQSx6IOTZCrAYbZmSrLdlzf8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )