INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2665c8d76dc1893ea42de1703c3a2e6131ef85b1856f9e2670b8dceb6417e08a', 
    'Byg+qwsW1lT1UxGvsel1G8FikNdGofQDfXQjjiOy9wo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)