INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd2c539ced288436f4664f636fad8a0c0a19c86b9df33dbc6af82fcb41fa208ef', 
    'GPn1jh/XB8OOiL1UcqKeJXHGQS1WPFTR6icO0AVOki4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)