INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f728a2cd87a2473729693debbf989fa02e496fc6276c1d2225aabd6bedfff3b', 
    'u6GDTCX/wyTsqhCfFDTijztOhX0qctU7huq3IH0AV+M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)