INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91321c42472f5ef717bb2f96e3099a2148a498bc6f40a383e524e10a5f1be733', 
    'mhSSrJ4xC7R/ttWEJ+WY7vgUwix3QCFkavglXVcUouY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)