INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '09475e967dede15be5830803feafa8e2fccfc23f1cfe7b1db1b176711b602055', 
    'v7hv2cOMkimZz2iVhj8y5F1h3iOpoNTUIU5XZNjatQA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)