INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c5d921ed3d142f6d0b49ac2e56b52edf0c2e8cc59f78a38b65bb7e6d69df548f', 
    'ciORKwGYr//VEPG27QksItvTwOn0dRhZy8oM2mfHkNE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)