INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21fe65cd69424518518d133cf0f0d32dbdae6949154854e10956f2127504d53b', 
    'yCgDVdncNOays9rxBQL2BEPOjo5/PUBkrr3atTI3zrg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00064

Result

int(1)