INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8721cac34a7817ab8623a933a8717aba889f31b9ae1c02d803444fc3e36ab97c', 
    'p2hpLZJ24EWyBvBSa6hhbqNvQB3zATE5bJZtt6Tf1PQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)