UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'txFhG9n5zkl9nOzNi3DdQoeMYyS4jDgnrAeY1ePQVZ4=' 
WHERE 
  key_id = '83a12dfeb59e57f8be3994545c8f4be1b2bd811eec18dd5e77e1e2f8df8622e8' 
  AND (
    token = 'txFhG9n5zkl9nOzNi3DdQoeMYyS4jDgnrAeY1ePQVZ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )