INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '34c346868d75e4e3539a3533a0cef39fc44a3c81a36815e8241ed4c6c55743fb', 
    'CRvFUKOzkxuhsRMTMoLWjajE0yP5zUS34bRy7Eki2+E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)