INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ad96dad6db4490e790ee130e702ccc6b136cc53ece4f9018d89faa493f78b953', 
    'V9BWyaFEW2ZClpPhFdFzmoZtWet2c7RnBmhZlYTcTj0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)