INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d34c9df556b193bc78a2b0f3469179159850c17f1c61e63f19befc352b3b34f', 
    'eY1nP7v7p5vaA2NoYj4FgEkHZG324EMUDBbmcLamywE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)