INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a9cb28f7d2a2b770039ba071dbad0ad2e77094aa89997ef79ece389f67214eb5', 
    'WU+9dGpYSPQBzhlha9KZf0YL3BbP1DSSKLEmCtxfMlU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)