INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6ef9c906b094dfe16ff13b16bef1c1ce963d637ca22d422434270c4631d77303', 
    'u40EI/oK+2l81XRuueNR12WSjo4/CsP/JrMLvBY40X0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)