INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1f847f36359dc6eceb8df8e92ad0139ed9a19022e71fc0c2afa526ff5c5020b1', 
    'e5LaAKKHvVNmFydGcls8nUaUy8bgeyi1SvGZAFrLvXM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)