INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b77ad9d6b5b9c932ded8949c92635d0281dad342fda33eb3f7fc49fa69da978', 
    'PbfrRLtVvp3ZJLTgQrfTRUOfLsAPiwdlibm/tPjepmw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)