INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c88cc11f1a5e31360c36e40d9be7270caeb99d31e93a73abd65a3c349bbe1558', 
    'Db34DbqiRvOgxolUF7IjS70EEqxvLHM+js9A4Ggrd9Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)