INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8e1802dbb3e06e41cb379c8a99a1d72817946c66445d05250c4c72f12556edb', 
    'w5QJUc4rIUPuV3twPf3Eh6NxPakzyqznVsbf5MObbmE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00053

Result

int(1)