INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'cbe953703e46aa8c60a47afa5b59ff5feed637775a2f6e59f751e05736ada353', 
    'elk2vI6n2VCbb9ZQVcHR2BVvd7toe9VFnHT6x9mNZCI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)