INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '542300ddbd382e14eb1003906a37e8b04720b13cebdc0f40e5943b0a902c8938', 
    'btCttXLINq1e2AU5iJmaYL7hOPIDQEtdIb1fL8uNydM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)