INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6840440529ade5366ecf20b78c7856b70a0e78dadcc8d474218fcbf367a48e2f', 
    'xFdctVEpaZOCDpCoDMI9DYjTo2z+9zhqubc9MqZRfKM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)