INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3e9c6d1b220394a5754bc9536a4e02ec6d1c8f9d0bded35b150b0b3ff277c0a5', 
    'X3Az9issBf1trWatrpzbvJhK5d4FV9Q99yNR6JL9oVc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)