INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '256c4937789149a28febb27a0fa7b5b71147f6f029b7f8b394404da79ddf1500', 
    'Md4BniZbmjGgAdjZ7Uac3xHIF6U/URW6d7e7gNn4B9g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)