INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7e8dc1c44e23b9d7965a3cadef8674e654a5e887606df86aea1dc30daf86f855', 
    'NNlh3Lhn3xAhZtbzgiv7EbIDjqNF5OvOAx5JcaDEVCI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)