UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RjEWla7kbo1OXngpRpsG/iEkH3pijWixZxYUblmXwHs=' 
WHERE 
  key_id = '31794c66c7d43f212b5453f8ab3f030592e47a2f98091ce93938fc2e8c9b8812' 
  AND (
    token = 'RjEWla7kbo1OXngpRpsG/iEkH3pijWixZxYUblmXwHs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )