UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MljLsfJvfbHth1pBHsUYlrnEf/qdXkZETQJQRTNuGRA=' 
WHERE 
  key_id = '4dff80204d6388ffd490e6638631356ef6611293e4259033b1933142224d9039' 
  AND (
    token = 'MljLsfJvfbHth1pBHsUYlrnEf/qdXkZETQJQRTNuGRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )