UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uhg0k7hrrWLQre311/GxGIx1txY37/vTo7odVUz1v1k=' 
WHERE 
  key_id = '3698f427865210416fd78dd0cfd85f4ed31ac7cecfe3908b5ac5579184789705' 
  AND (
    token = 'Uhg0k7hrrWLQre311/GxGIx1txY37/vTo7odVUz1v1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )