INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1fafdf0fb8a945b852f3e06d011887d70f8623f9b146955d493b47d89118c4d3', 
    'RvAR16kptDDKhOmxaEOQGGR48Npxvir3ve4iOVD22HA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)