INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f5c8c10fd3a74393cd6bee8a7a8e297f94451ce82fae7301427b0c66fb04733e', 
    'Px8XrkfVS+wGWNALesnvNwsa4KhUcpCeK6cObdoptK0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)