INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51091d97b18d735227b4e15c54d9deae340801f4b5f25032d2a952dbdd0cdaf0', 
    'LwEMY4X+Q0d1mIW4KnhPQw+4iEHOIbmE7af6QIV1E9s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)