INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a2a0546298027f8b95c580e7942fff89fb499183d3f546b0f8951c12ad5da3a6', 
    'AyQqf2Uz9KPefJcje1QUSUZk2sstWGwPgKiwxZClfYk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00063

Result

int(1)