INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2ea3fa989e1f4798905af1af68db6930cfd797bc9fb2a41b25e37920ed1d5880', 
    '1QLXCrKLgENj278bSLY5XV8qtEgM35Jordb7Ifr7j9o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)