INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2b9389abf6446d20260b5e0773387b38a12e7138d60879fb4ea2685b90f42931', 
    '312+XDF9W7z6c4bC9j/9lWYZIq8sDyyRA73o6GA1j/g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)