UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xag+FDMVtU++xVDVx/LiI7BaHT/HYcW+qBts8mIwWrs=' 
WHERE 
  key_id = '83a0fd72a62bb63a5ea1a12e362135e172e4841017e14c96a4b17201d38d549c' 
  AND (
    token = 'xag+FDMVtU++xVDVx/LiI7BaHT/HYcW+qBts8mIwWrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )