INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a7da3081c67e4420f5860dc8ff6d7d59d1a33a26b3d904520ad524b311783cd8', 
    'JtwB0Y9kpOc7don9V6bTiOPR9U5N2oSfzAqEAGiNR4Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)