INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f6d9851c9fb836b5e351f431a565afc80db6817e886a6c78e77585c3add34207', 
    'EXSTcVx3pj2DrxCb8hxDZTu76GIZfTEyyy+Ov5UvYMk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)