INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '68b34311c8100af88f2f795c3c9653cf23aa5fbdfae132aa1fa3a746bc66de3b', 
    '//Y5GryHW4JTYmVeAPV6/kV2vi0FIW3PIakQiHcvaEY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00048

Result

int(1)