INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3b8b15963243e772b3e626dfbc02c04b4992345eb246f8eac5d9803fd2c2e352', 
    'euUD1jNZQ3a6M8j/k0e4nNhcieawl8Sun0yStLxRx3o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)