INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91cc2720327d55b08fba2aa477ea74fbf900d0260c92af4ec8e3601414def6b2', 
    '7YHIJkW7zcRYQZWu0Iwo30rXtleKni+oHtdLPMYqIyg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)