INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f346751ce5072c5fba7dca3bea3b20e3cafca0d5a26cc217224957b124580012', 
    'cB8OUyR14orbmJB/4a1G90pYb2z8wLtgItz8aIf0PGA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)