INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4c15f34452d876ac12caf4db59dc4dbc824d314515db2b01f57b08a30d9342a5', 
    'UDYDo46g11JemrxmnYGEazePHjKrrDi9YTgc08uRM5Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)