UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OEpbaLmG6pY91cauWERJJSzPzPQfgQRSVMebMOecpVk=' 
WHERE 
  key_id = '8d38c8f745d4ac3caee3632937a6a15804d40534a19ec7f531c41e46f6f8c51e' 
  AND (
    token = 'OEpbaLmG6pY91cauWERJJSzPzPQfgQRSVMebMOecpVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )