INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6303110456e7019207400869e7aa403486968ac35eb7961a1c9422273f3716cc', 
    'PPWbMht/aMqB4NxFtIch5A0JBmco1l/2VyH1RJuR4ps=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)