INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1e36cfe3198020bbf4400b795fdcb0248e97574ef6794eecba20cb8e6b208d25', 
    'OMbQFOiZsw0xYWgY81gQ134zS0mz/0keBrrYl7zYXa0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)