UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gn8b3DXQjgWGn8Mu18KhjzclFuice35TL41WbXYD8AM=' 
WHERE 
  key_id = 'a5b7921ebf77c36e29ff44a4071069b7fdb014bbb1637a6760bbef55103a51ae' 
  AND (
    token = 'gn8b3DXQjgWGn8Mu18KhjzclFuice35TL41WbXYD8AM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )