diff --git a/storage/paths/db_index.go b/storage/paths/db_index.go
index 018ea84fd..32afdea1e 100644
--- a/storage/paths/db_index.go
+++ b/storage/paths/db_index.go
@@ -187,7 +187,7 @@ retryAttachStorage:
 		var urls sql.NullString
 		var storageId sql.NullString
 		err = tx.QueryRow(
-			"Select storage_id, urls FROM storage_path WHERE storage_id = $1", string(si.ID)).Scan(&storageId, &urls)
+			"SELECT storage_id, urls FROM storage_path WHERE storage_id = $1", string(si.ID)).Scan(&storageId, &urls)
 		if err != nil && !strings.Contains(err.Error(), "no rows in result set") {
 			return false, xerrors.Errorf("storage attach select fails: %v", err)
 		}
@@ -202,7 +202,7 @@ retryAttachStorage:
 			currUrls = union(currUrls, si.URLs)
 
 			_, err = tx.Exec(
-				"UPDATE storage_path set urls=$1, weight=$2, max_storage=$3, can_seal=$4, can_store=$5, groups=$6, allow_to=$7, allow_types=$8, deny_types=$9 WHERE storage_id=$10",
+				"UPDATE storage_path set urls=$1, weight=$2, max_storage=$3, can_seal=$4, can_store=$5, groups=$6, allow_to=$7, allow_types=$8, deny_types=$9, last_heartbeat=NOW() WHERE storage_id=$10",
 				strings.Join(currUrls, ","),
 				si.Weight,
 				si.MaxStorage,
@@ -223,7 +223,7 @@ retryAttachStorage:
 		// Insert storage id
 		_, err = tx.Exec(
 			"INSERT INTO storage_path "+
-				"Values($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16)",
+				"Values($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, NOW())",
 			si.ID,
 			strings.Join(si.URLs, ","),
 			si.Weight,
@@ -238,8 +238,7 @@ retryAttachStorage:
 			st.Available,
 			st.FSAvailable,
 			st.Reserved,
-			st.Used,
-			time.Now())
+			st.Used)
 		if err != nil {
 			return false, xerrors.Errorf("StorageAttach insert fails: %v", err)
 		}
@@ -331,13 +330,12 @@ func (dbi *DBIndex) StorageReportHealth(ctx context.Context, id storiface.ID, re
 	}
 
 	_, err = dbi.harmonyDB.Exec(ctx,
-		"UPDATE storage_path set capacity=$1, available=$2, fs_available=$3, reserved=$4, used=$5, last_heartbeat=$6",
+		"UPDATE storage_path set capacity=$1, available=$2, fs_available=$3, reserved=$4, used=$5, last_heartbeat=NOW()",
 		report.Stat.Capacity,
 		report.Stat.Available,
 		report.Stat.FSAvailable,
 		report.Stat.Reserved,
-		report.Stat.Used,
-		time.Now().UTC())
+		report.Stat.Used)
 	if err != nil {
 		return xerrors.Errorf("updating storage health in DB fails with err: %v", err)
 	}
@@ -574,9 +572,9 @@ func (dbi *DBIndex) StorageFindSector(ctx context.Context, s abi.SectorID, ft st
 				FROM storage_path 
 				WHERE can_seal=true 
 				  and available >= $1 
-				  and NOW()-last_heartbeat < $2 
+				  and NOW()-($2 * INTERVAL '1 second') < last_heartbeat
 				  and heartbeat_err is null`,
-			spaceReq, SkippedHeartbeatThresh)
+			spaceReq, SkippedHeartbeatThresh.Seconds())
 		if err != nil {
 			return nil, xerrors.Errorf("Selecting allowfetch storage paths from DB fails err: %v", err)
 		}
@@ -713,12 +711,12 @@ func (dbi *DBIndex) StorageBestAlloc(ctx context.Context, allocate storiface.Sec
 								deny_types 
 						 FROM storage_path 
 						 WHERE available >= $1
-						 and NOW()-last_heartbeat < $2 
+						 and NOW()-($2 * INTERVAL '1 second') < last_heartbeat
 						 and heartbeat_err is null
-						 and ($3 and can_seal = TRUE or $4 and can_store = TRUE)
+						 and (($3 and can_seal = TRUE) or ($4 and can_store = TRUE))
 						order by (available::numeric * weight) desc`,
 		spaceReq,
-		SkippedHeartbeatThresh,
+		SkippedHeartbeatThresh.Seconds(),
 		pathType == storiface.PathSealing,
 		pathType == storiface.PathStorage,
 	)