INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '502f498500d67a273cec50d2d1fbbc061dec9792da0f5f9e1ec225f25c45ccfb', 
    'aQXg0JQrDZn9fzRovSqWDAkkJhVJm6fTtYbe951T750=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)