INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a50a9251c91e5c051547269165197fd18936e3e370dbbd3ad527d9e5a2489c1a', 
    '8f4IHkBIXeMzEPzZ7qIdQAvsm15mFdSJVLLCaGNhftI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)