INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b3ad3bd299745a03d016ba983eb1791b65d50668343b78c45ad63431ec187d98', 
    'PvdKhdwqpaX8p5QRcAa5eR3TKdJnpUaepoIu1TcG7EA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)