INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8c451ac282840755da58b2c7612ff8fde35fcc9b0f5464268c152dcf9ba9976', 
    '3BxkFleS3tTvg0mjqr7p5SOUlm31ZmcguEO23OfFVmA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00052

Result

int(1)