INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c469965464cb27adcce01f63e61c2f5f06b74dd116db757b702e5f190d91cbc2', 
    'y3CEWHVVTPWEke4mLESKoCGK3hjMIYr0CaaZd0xw9ww=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)