INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21fedbf58f41a2d9480f1523869f661fd9636fd032cf2539dec4d1b8bfe105b9', 
    'cuukDcOIoERZP5ZtBi8jvj98dnrVD1GTrglugK/zfWs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)