UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V/OlXgkI+kVuTk8Ekja7CG+KIa0V4rMqgiWSZ5PeFuc=' 
WHERE 
  key_id = '51f22b860a6eb164e54d52ef6a7bf29e03083e00a1a8f7742b50c69bbe6d11d1' 
  AND (
    token = 'V/OlXgkI+kVuTk8Ekja7CG+KIa0V4rMqgiWSZ5PeFuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )