UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D2k11ON2XGqT7dXOwBrVjbPUTQ2XOWPlyDeIPnKqPIY=' 
WHERE 
  key_id = '28820962ef96883acdb5f9d94eed5d3a1e9f5cd10f15ef64e318bab434f36bcb' 
  AND (
    token = 'D2k11ON2XGqT7dXOwBrVjbPUTQ2XOWPlyDeIPnKqPIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )