UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'iaQKL2EewCZBY710ymsmRZvFI+0znNZ5qdkCfowkTy8=' 
WHERE 
  key_id = '4a37e3a5eef2f02d402b0129e57de2743cfe819a885d7672861f4533e975f2f3' 
  AND (
    token = 'iaQKL2EewCZBY710ymsmRZvFI+0znNZ5qdkCfowkTy8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )