INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3f0f990e81b63f7189a768ff70ee0df63361c34d692abc243bd7f564d33b7ec', 
    'M8kVrwV8LYd099fR9TImHV714P7/ae8dgAekT4wj81E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00063

Result

int(1)