INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '98e30e1ecb1d6625711837edb0a42806332632f7e763372f1f3e8cda8eb540ad', 
    'nkl1CthiCAlASscnta/uBOBc03J4kGRqZusV5Mj1KDs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)