INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5748b95f802f03936ab6eba42b74a7c68f1fbf8e3e575716e404b2929d413681', 
    'sijVuft7yAMxS4AJ7i4syT754MwrM45qyb7N2hmClsA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)