INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'eb730646ea8111bdc6409f263f6431497bc507bbc1b34d05e071819e233783dc', 
    'oNQIKOaL31iEZqzhI7nOBRiWmdpLZg10uZX7iHzkKZQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)