INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15b3c569f279f2d7198d7f3fe05206b779321c0c9078e41961c30a1b4dc57f60', 
    '35Qk7a4sjbBlnE+QcJgnwNBBcIw6kwkG9yZMpxlr/uQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)