diff --git a/src/api/mod.rs b/src/api/mod.rs
index 360d7da..f4a7ed2 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -15,13 +15,13 @@ pub async fn start(port: u16, pool: MySqlPool) -> Result<()> {
     sqlx::query!(
         r#"
         CREATE TABLE IF NOT EXISTS Accounts (
-                id        INT          NOT NULL  AUTO_INCREMENT,
-	            username  VARCHAR(32)  NOT NULL,
-                email     TEXT         NOT NULL,
-	            salt      VARCHAR(22)  NOT NULL,
-	            password  VARCHAR(96)  NOT NULL,
-                joined    DATETIME     NOT NULL,
-                verified  BOOLEAN      NOT NULL,
+                id        INT8 UNSIGNED  NOT NULL  AUTO_INCREMENT,
+	            username  VARCHAR(32)    NOT NULL,
+                email     TEXT           NOT NULL,
+	            salt      VARCHAR(22)    NOT NULL,
+	            password  VARCHAR(96)    NOT NULL,
+                joined    DATETIME       NOT NULL,
+                verified  BOOLEAN        NOT NULL,
 	            PRIMARY KEY(id)
             );
         "#
@@ -32,9 +32,9 @@ pub async fn start(port: u16, pool: MySqlPool) -> Result<()> {
     sqlx::query!(
         r#"
         CREATE TABLE IF NOT EXISTS AuthTokens (
-                token    VARCHAR(32)  NOT NULL,
-	            account  INT          NOT NULL,
-                expire   DATETIME     NOT NULL
+                token    VARCHAR(32)    NOT NULL,
+	            account  INT8 UNSIGNED  NOT NULL,
+                expire   DATETIME       NOT NULL
             );
         "#
     )
@@ -44,9 +44,9 @@ pub async fn start(port: u16, pool: MySqlPool) -> Result<()> {
     sqlx::query!(
         r#"
         CREATE TABLE IF NOT EXISTS VerificationTokens (
-                token    VARCHAR(32)  NOT NULL,
-	            account  INT          NOT NULL,
-                expire   DATETIME     NOT NULL
+                token    VARCHAR(32)    NOT NULL,
+	            account  INT8 UNSIGNED  NOT NULL,
+                expire   DATETIME       NOT NULL
             );
         "#
     )
diff --git a/src/tokens/mod.rs b/src/tokens/mod.rs
index 4b1b8cc..f574313 100644
--- a/src/tokens/mod.rs
+++ b/src/tokens/mod.rs
@@ -1,10 +1,11 @@
 use anyhow::{Error, Result};
 use sqlx::{mysql::MySqlPool, types::chrono as sqlx_chrono};
 
+#[derive(Debug)]
 pub struct AuthToken {
     token: String,
-    account: i64,
-    expire: sqlx_chrono::DateTime<chrono::Utc>,
+    account: u64,
+    expire: sqlx_chrono::NaiveDateTime,
 }
 
 impl AuthToken {
@@ -13,7 +14,10 @@ impl AuthToken {
         account_id: usize,
         lifetime: chrono::Duration,
     ) -> Result<Self> {
-        let expire = match sqlx_chrono::Utc::now().checked_add_signed(lifetime) {
+        let expire = match sqlx_chrono::Utc::now()
+            .naive_utc()
+            .checked_add_signed(lifetime)
+        {
             Some(e) => e,
             None => {
                 return Err(Error::msg(
@@ -24,7 +28,7 @@ impl AuthToken {
 
         let token = Self {
             token: uuid::Uuid::new_v4().simple().to_string(),
-            account: account_id as i64,
+            account: account_id as u64,
             expire,
         };
 
@@ -41,12 +45,29 @@ impl AuthToken {
 
         Ok(token)
     }
+
+    pub async fn check(pool: &MySqlPool, token: String) -> Result<Option<Self>> {
+        let query_result = sqlx::query!(r#"SELECT * FROM AuthTokens WHERE token = ?;"#, token)
+            .fetch_one(pool)
+            .await;
+
+        match query_result {
+            Ok(row) => Ok(Some(Self {
+                token: row.token,
+                account: row.account,
+                expire: row.expire,
+            })),
+            Err(sqlx::Error::RowNotFound) => Ok(None),
+            Err(e) => Err(Error::new(e)),
+        }
+    }
 }
 
+#[derive(Debug)]
 pub struct VerificationToken {
     token: String,
-    account: i64,
-    expire: sqlx_chrono::DateTime<chrono::Utc>,
+    account: u64,
+    expire: sqlx_chrono::NaiveDateTime,
 }
 
 impl VerificationToken {
@@ -55,7 +76,10 @@ impl VerificationToken {
         account_id: usize,
         lifetime: chrono::Duration,
     ) -> Result<Self> {
-        let expire = match sqlx_chrono::Utc::now().checked_add_signed(lifetime) {
+        let expire = match sqlx_chrono::Utc::now()
+            .naive_utc()
+            .checked_add_signed(lifetime)
+        {
             Some(e) => e,
             None => {
                 return Err(Error::msg(
@@ -66,7 +90,7 @@ impl VerificationToken {
 
         let token = Self {
             token: uuid::Uuid::new_v4().simple().to_string(),
-            account: account_id as i64,
+            account: account_id as u64,
             expire,
         };
 
@@ -83,4 +107,20 @@ impl VerificationToken {
 
         Ok(token)
     }
+
+    pub async fn check(pool: &MySqlPool, token: String) -> Result<Option<Self>> {
+        let query_result = sqlx::query!(r#"SELECT * FROM VerificationTokens WHERE token = ?;"#, token)
+            .fetch_one(pool)
+            .await;
+
+        match query_result {
+            Ok(row) => Ok(Some(Self {
+                token: row.token,
+                account: row.account,
+                expire: row.expire,
+            })),
+            Err(sqlx::Error::RowNotFound) => Ok(None),
+            Err(e) => Err(Error::new(e)),
+        }
+    }
 }