INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '31d2755e5b02e8e33ea04b8c739f495c91e935c76023b6df8459438fa0fc7da7', 
    'am99IvHLk1pfR7MFBnj8rF+5GapmqUVAoQZ02Xfh21g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)