INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '48300ad30063f1f956a437381dad1faa811a21d3259a2513afb479dbd1ab3d8b', 
    'lEt8RpF21DiJdR0VGXgIVFQl1OdCofzd+YeApoa4bRQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)