INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2021df173829a588ffe4a5399b41cb88a70bc869d234feefb5a02c75f0dc037b', 
    'TgOKRF4SKAa56SlG8qbaSpGO3Mmzacvgg+Vmp871PPM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)