UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kBB8Ib/O9vW1rycNX2HAYUZg/H5UkG6iGEW2zkbclts=' 
WHERE 
  key_id = '27ff71cf26433587d5d1f006ecbc4ae4f5f41c1ab0bcbe8f9350acc1517df3aa' 
  AND (
    token = 'kBB8Ib/O9vW1rycNX2HAYUZg/H5UkG6iGEW2zkbclts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )