INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '784b8cbc0c16f73bf91323d1572b3c3ece0c580a754485318040113710f512da', 
    'sScZH9XHPMRTdph2G8AyM2oDz/2lDEIOTKpn3e2fR8I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)