INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a987f8d88a31aad768adff4de6a440d5e00a8857c5e79d73312554ea7b4fedcf', 
    'emQGtXICC45zgC5XW89NuLdMdBuD9pj3j381QGCH0KI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)