UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pXld2EGCIhrMLWfHHKDpxFLWFg0LkhLtACfAnuwiFkU=' 
WHERE 
  key_id = '900a9903f0b0bca5072f8f31f84298e96e8b8566d96ee776e1e0c8509e793016' 
  AND (
    token = 'pXld2EGCIhrMLWfHHKDpxFLWFg0LkhLtACfAnuwiFkU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )