INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6b2b14ee9b210f7850ad37d362abebbf55c534b75c45c9e10c6ed8a2277800a', 
    'ndOLsYUGYtToDheyADGjDtgoaGoKqUS/ftyY2uvVT/w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)