INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9a6ef8d13dbff9c9f8690bab61f4e02d572d761e15c440eebf7368a79e7a802e', 
    'smMBt5hfcHDaHRbH8QywR8Cl2wLMYuC2xSy06vOzYRQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)