INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3c74937e31e9884585bac725fdfff647ba2f431dbfdd0694a90ead589b82da20', 
    'lCxO6BRM7bFV66aFkmSvX8Wbfl71hkkBVxWC3z51CNo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)