INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8bd819647c29ef01249451c83ef12bedec321627ae04035542628f95b6b9558', 
    'Rfi7wkdnRNj8HENF0olT2Cks+cRpXpbUkapLK9JAk/k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)