INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e450dde0850a172a05cd2ad125d2f24e7680f91e2d10e7b4941f03ce87b6f828', 
    '+y29G3QXqoDCCMzdBa8imw9zkt3MvJscu8p29p6sVEo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)