INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a6f18c21d5f36593e56c610de01eebe75738a8a50d4f3c1ca7c2b6d669ccd690', 
    'PLSBdLU46d631Hx85fc7IKJfQ6R5WRowkaj1vJQDyx4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)