INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a21ce8f8738db2063bf27275f47ac3821c851acc7361904c0b65dafa2c34a2ff', 
    '4B8rRlWb0INX9YOuTWydvVbC0KjctREkLAosXeJvWsY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)