INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5f35f8aa8466c2fad9e3b6968d957b65e3a9a19de9225013e384912a43993e41', 
    'QATWVnx9EicvkMZ862YVIQhuGSJLyL6QO5uvknMrVhM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)