meta_key does not work, please help.

Hi, i’m trying to display post with meta_key => ‘deco_special_project’
like this:

<div class="widget-content">

		<?php
		$args  = array(
			'post_status'    => 'publish',
			'meta_value'     => 1,
			'posts_per_page' => 1,
			'meta_key'       => 'deco_special_project',
		);
		$query = new WP_Query( $args );
		// The Loop
		while ( $query->have_posts() ) {
		$query->the_post();
		$post_id   = get_the_ID();
		$thumb_url = wp_get_attachment_image_src( get_post_thumbnail_id( $post_id ), 'deco_post_300_200' ) [0];
		?>

		<article class="post-excerpt post-normal">

			<a href="#">

				<figure class="img-load">
					<img src="<?php echo $thumb_url; ?>">
				</figure>

				<header>

					<h4><?php the_title(); ?></h4>

					<aside>
						<time datetime="05.11.2014"><i class="de-icon-time"></i> 5 ноября</time>
						<a href="#"><i class="de-icon-comment"></i> 10</a>
						<span><i class="de-icon-views"></i> 3</span>
					</aside>

				</header>

			</a>

		</article>

		<?php
		}
		wp_reset_query();
		?>

		<div class="blogroll-column blogroll-column-small">
			<?php
			$args = array(
				'post_type'      => 'post',
				'posts_per_page' => 5,
				'post_status'    => 'publish',
			);

			$query = new WP_Query( $args );
			// The Loop
			while ($query->have_posts()) {
				$query->the_post();

				$post_id = get_the_ID();
				?>
			<article class="post-excerpt">

				<a href="<?php echo get_permalink( $post_id ); ?>">

					<header>

						<h4><?php the_title(); ?></h4>

						<aside>
							<time datetime="05.11.2014"><i class="de-icon-time"></i> 5 ноября</time>
							<a href="#"><i class="de-icon-comment"></i> 10</a>
							<span><i class="de-icon-views"></i> 3</span>
						</aside>

					</header>

				</a>

			</article>
			<?php
			}
			wp_reset_query();
			?>

		</div>

		<article class="post-banner">

			<a href="<?php echo get_permalink( get_the_ID() ); ?>">

				<figure class="img-load">
					<img src="/wp-content/themes/chai/assets/photo/thumb_google.jpg">
				</figure>

			</a>

		</article>

	</div>

It does not work, but if i will delete meta_key from args, it will show post, can somebody help me?