INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9e52920036f7daf9a9f62adb66f050db758d928d454ac9ccfb1915bbe4be7740', 
    'WDJH7z720gIn3BUwbClN+UTEbstxvU7EAOgPECNPgzs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)