INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '276f1e845b1acd78f56dd623b5b44a4f6be6b8673c61191f25782b138493dfce', 
    'n3sOIt8uMdUsN+bTVTj9jNLC81nOEErObdQZW86zS5o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)