UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DCwdqVxKYx+HEwfHPUiB+SJxawcZPSMl3UjrCQBvicE=' 
WHERE 
  key_id = 'b9916ee6bafbc4f65e5b6e5b534b2c207ada71021dae9de68909af7d2a56b94d' 
  AND (
    token = 'DCwdqVxKYx+HEwfHPUiB+SJxawcZPSMl3UjrCQBvicE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )