INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4155575e241d9c79e2f1184676699f1ca243801778b850353dac47a1aa0b4483', 
    'Ll9DZkI7MMvM7oBz7nVQ6SYJGUGobJ53sGUOLwZSXIw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)