INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '407280802fc561a9a25b2d50c38af9568a905390bb741b5c0feacdcf8dde3a89', 
    '4HKY2lcppjA6hLR16HK8W0sVKvFunskrBPOw/idoJOU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00061

Result

int(1)