UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6U6XPc1IxlsYz3UENbn1RQMiGi2z5jBMqyhO8QMDw2c=' 
WHERE 
  key_id = 'b50466921806ff3bb9297d57b837eed9893bcb13165fed2ffc5ef763041059f5' 
  AND (
    token = '6U6XPc1IxlsYz3UENbn1RQMiGi2z5jBMqyhO8QMDw2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )