INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '301d53001d69860e447870d661eeda7dbe991254335929ca14c1a1f1b468ed14', 
    'gUUrDbZIoOAiG499oOYjBa7SiKKoLuG2sj9g+chVqjk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)