INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21ed7ead46e6384a896efb3a2273eb23bee1cf68609d1c25a2c07d6c1a15160c', 
    'vFTn+7WYeXeoluuRWxtZC8WJRtmYKg7W6A3P3ERm7Zw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)