UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5YykZB8pXLMjlQSE7oUz6vFN7lch8AR3O3ZIPIbJQrE=' 
WHERE 
  key_id = '51a200a0be65a78a1a8b0a0676a7e414c95882c2747e2e26229662983a951b92' 
  AND (
    token = '5YykZB8pXLMjlQSE7oUz6vFN7lch8AR3O3ZIPIbJQrE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )