INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8b307de219fcdafa2028e9a85c780167dcdc4e5a0f18faddd58a8aee456b1b1', 
    'qn5XJg53CunFKNtodk8hCkEpqq9WFfqok6wBw0I6MiA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)