INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0a8d92850aaf6b6c2c58bbcac109b41c2189cfa2391b8e299e2b2173409b183c', 
    '+xcvxffrzBq1RgQsmGIDm2eH4Ck5iYxQmukcgB8szt0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)