INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0421960651840049794677149c4db6b62c3d3bb4342c3bb9e2fca2776e50f3b2', 
    'IPN7pjnObvDBw1pcbrkTs4Z7pTrCw4wGlaz1YuDfXfc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)