INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21bc4b9b9af33d1aca7e48e4e2238a1896748da26809b2d9847eafd1837374bc', 
    'GV4cfpZf+uFQiD9n2N5SUWzPKIZ9NdoGZ7YYo4zpM3s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)