INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dadd3e136ee7e9bb8b14c2237c317e044e3c10e6d8ef01e92fb559f9def0f70c', 
    'VchoDhzlNk974utw8qw6j1efLChkH6FXvn8yi1LHTb0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)