INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'cd00c9589aa7486f1325d44202058bf153c13878f6da3f0de1d379b4777ab75c', 
    '+rH5rsD5v/pRUUCSjjN0I1YGri4EtRnHtIVoJLiI6Vo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00061

Result

int(1)