INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'cf6fc245480b114344f8dcf70f8970c1937888ffbe97ee3056e39b0033e04902', 
    'r3WhUr2vK9t5QFNdDQOqvNjgLdf2AP3RLl6iBEf0QFc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)