INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15bb1da79e358c0de7e20835e1a415bc29671a1bbe9551dbbe485a6a3f5c3df5', 
    'eY335LBeRRITVDoURdIpRQcd9xRSjRWdmaUSCA1n7rg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)