INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd30b5a59729166ddb2a375d4c11215574c38889e9cc31400dd9d2574463b4b7a', 
    '6AU4vfTJZjhoMvtulNG2QV6UoqgtKgZuBaXDvW/x1YE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)