INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1409b1880d8dacc60f34b3cd5e0b5bf3d67888b45d1fd6e611d92de6549eaabb', 
    '5021eH4RU/hUHp1UYcsy64fdytTT7SutT3a9rJXQYf8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)