INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'fe2ebd1c743084ba7c911400a36b3b6bbdb6548b763762655f96e0cb71d4b8cf', 
    '91b6ExPfWwrULhiJK4IVWQICFBhbbShk1f2O01Ce9vU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)