INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a9cf3346ab66440ec698eb3f6cdd04ddc730226ab99cbc3b53f973a332057bf2', 
    '8ZxR+GBCZAV2L40aBrWAAxNOA2m36Iuk2ItTehQ4F0I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00078

Result

int(1)