INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4e6e489ad6049b71a090462a649c5ab15bfda76cf6a8eea5333f03599825b091', 
    'G5eDw5Txrn7kQmGlxLEBh564g0moQIPdYNgDtK18SKI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)