INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9cbce53594b7efc69e4bb388b35e89b2b35f97e24e1797ac833466c346cc4174', 
    '+dPRScTjXCCKFFMSMNduar6iVWHM/C/dClkZYR7OrJE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)