UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'px0aQ7KjGwJO1KFw1tXB8dUHq7pNwNMI+5hOc5YvLxk=' 
WHERE 
  key_id = '84c8eb50fdd1d4feb7fe98490b472c84dc747b4bd2d2edbfc4bbd3b041e16201' 
  AND (
    token = 'px0aQ7KjGwJO1KFw1tXB8dUHq7pNwNMI+5hOc5YvLxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )