INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3c21f79688be844824e1be76f97c5900e18f24864616abb6ae34616b86104e2b', 
    '6WQqDLZzLDs4h1NpI2zYEqKtFY3ySo85gNq4lbfkEoA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)