INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '532d5766a4c928b425ba3bf8d9b7c08a1e990b13ea5d4e74ef992d8a0a71d978', 
    'HcytesQ7AvmDrFAXbqMzernYqz5VFIEfzzOvP67StYM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)