INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '975ac1580e2b2ab518aeefe81b2bdece2776971db033e698ad51f4a631accea6', 
    'KlpOavdDOOZ9iux1CttWYgEeOpqMrxOArCpSGr+icbA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)