INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '500f770b75ad4258db9ac60251795f06b2de5ab686b4bdd610c71451673e3e7c', 
    'n+tVm5u8I3WMbprlXQxmzuE92g43CQixyValjAiUAZE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)