INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '538546dd6e2add86888a5fec54195600b633837ec8b4fe09e50f4685e1669fd9', 
    'fjyPai6D7u4UTf3U3iQsueZirBNuBNfPwRnN/RqquYI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)