INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f8743c9a0ab375e80a77b90f7ffc7819d35a86b4228fa6051b1af0ff222c56d', 
    'Zhy3sHByZ9phQc1LnYaVlejtQv19C2j72suxZzNVdRE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)