INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'adda5e32bcc550e6abd47927f09e0870c2c1a2f7c9a013c925b9066919b747bf', 
    'rMdTYkPMaJxpUEUzn+Y7VhxGnah6LBvgwuqXRS0RRqc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)