INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'bc42e83e4bc34b5a5cfcbcccbabf38404c0ad0be91a5780c26fb647bad7fe6af', 
    'fdBHpi88nIuRAIoA8nvaJBFpNCM0PyVBBxzG044rqW8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)