INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28b34e67694387699631458fe1ed89c6ccaba3683ef107847de43dbea0c042d8', 
    'zwTa0Vsd5nbIjOSkoRG6hR8sLPVKFxmpADg9aD6J1B4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)