INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21043b6afc9e26adc1804533d52640e493cd083e8b6fee24107a84c92e6b9b65', 
    'ZRLliCR6ePXE07q3ED83Yo8Eb7CsMHPPg6t029HSkh0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)