INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2a3df7596d75cea567bdc059902122d67d15951904deff9ca6f99058f92afd5e', 
    'n+KU3dOjGy01YCLATj7IKTu1gZQkNwa7byPhhqDTcBw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)