INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7c994c9a0f51856b3df4a390047e873dfa09062bdf4be9e79b8e658daad999f1', 
    'HMq1OKepgS6pbk1kg3KXAPc56B/61JwX7UtW3X9rqTA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)