INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '538ecc7e0e3333ce974140a00797365757933b8c8852fb0c1e89f3bc731c0ad7', 
    'QxwJasvZmEZYLT6u6xfhGRvJLx9jygj5xnCH7V4uxyY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)