INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'bd1053ff336686ba8b593f048d9612d3007a85d098a31b31c37baab3e4d3e96f', 
    'cjxFmTqEMh3x08ssVE8V3YuquPLJ1GJH7r6urbgCQ1E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)