INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9f76bc36214519d9ac9eebfad87bb3f11382c3aa1ff0a015d7ac7ac98b691978', 
    'nEzjCOHKmpUU1WqbNNCPW0eEWuTCGlMd9Y5dUTwgNpY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)