diff --git a/crates/storage/db/src/tables/models/sharded_key.rs b/crates/storage/db/src/tables/models/sharded_key.rs
index eefc175e3e..71985f1f8e 100644
--- a/crates/storage/db/src/tables/models/sharded_key.rs
+++ b/crates/storage/db/src/tables/models/sharded_key.rs
@@ -29,6 +29,12 @@ impl<T> ShardedKey<T> {
     pub fn new(key: T, highest_block_number: BlockNumber) -> Self {
         ShardedKey { key, highest_block_number }
     }
+
+    /// Creates a new key with the highest block number set to maximum.
+    /// This is useful when we want to search the last value for a given key.
+    pub fn last(key: T) -> Self {
+        Self { key, highest_block_number: u64::MAX }
+    }
 }
 
 impl<T> Encode for ShardedKey<T>
diff --git a/crates/storage/db/src/tables/models/storage_sharded_key.rs b/crates/storage/db/src/tables/models/storage_sharded_key.rs
index e8f3d55a41..2b8025a8f3 100644
--- a/crates/storage/db/src/tables/models/storage_sharded_key.rs
+++ b/crates/storage/db/src/tables/models/storage_sharded_key.rs
@@ -1,4 +1,4 @@
-//! Sharded key
+//! Storage sharded key
 
 use crate::{
     table::{Decode, Encode},
@@ -32,6 +32,15 @@ impl StorageShardedKey {
     pub fn new(address: H160, storage_key: H256, highest_block_number: BlockNumber) -> Self {
         Self { address, sharded_key: ShardedKey { key: storage_key, highest_block_number } }
     }
+
+    /// Creates a new key with the highest block number set to maximum.
+    /// This is useful when we want to search the last value for a given key.
+    pub fn last(address: H160, storage_key: H256) -> Self {
+        Self {
+            address,
+            sharded_key: ShardedKey { key: storage_key, highest_block_number: u64::MAX },
+        }
+    }
 }
 
 impl Encode for StorageShardedKey {