INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4e544ca7698d09bc51e4cb2ff23ece24c966860c6076b88ee067f866388d40f8', 
    'OUCgzc2sr3C55F7yq5DeR2gHlCd70nxyLSejQy3QFUI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)