INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b5ab86bce08bc6084890d0945b74a3086827911a4c7544579f17d8a4fabbba15', 
    'EEjAIAg2eo5n8QWdtC+LYNr/afOC5tgUkGz0rnZvHoc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)