INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b603aebf2743f061c5d3feafc4a4d43570427e41d1ff52a24e616bd0743615f5', 
    'SaxjW8gwoCSmljN5k9KC1v9XVwbZXGE31ew8PzvDlec=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)