INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1b9edcd18001736f3badd0734df05cd64a40774e98523edc743edffcacc65cbb', 
    'Ewz+YBc+pLteah68q4fi76avY0LYiOmPKBxaR27s0eA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)