INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0021604faae8f86703e0240e9be4385861c5d19065298130538286614a79b46a', 
    'QgmkSF5AASMEYOCv9rarPf2d8QDf5VbvFNMlpOY5xQ8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)