diff --git a/erpnext/accounts/doctype/payment_request/payment_request.py b/erpnext/accounts/doctype/payment_request/payment_request.py
index 6e503086dadc11e1936de6c737f9f6543a57c0c9..187ad8f90d083cf898feab83234bf7d6b2469e12 100644
--- a/erpnext/accounts/doctype/payment_request/payment_request.py
+++ b/erpnext/accounts/doctype/payment_request/payment_request.py
@@ -1,7 +1,6 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and contributors
 # For license information, please see license.txt
 
-
 import json
 import warnings
 
@@ -250,7 +249,7 @@ class PaymentRequest(Document):
 				frappe.throw(_("Payment cannot be processed immediately for this payment request."))
 
 	def generate_payment_key(self):
-		self.payment_key = frappe.generate_hash(self.as_json())
+		self.payment_key = frappe.generate_hash(length=70)
 
 	def set_payment_url(self):
 		self.payment_url = get_url("/payments?link={0}".format(self.payment_key))
@@ -868,6 +867,44 @@ def make_status_as_paid(doc, method):
 				frappe.db.commit()
 
 
+def update_payment_req_status(doc, method):
+	# TODO: Link with payment entry
+	from erpnext.accounts.doctype.payment_entry.payment_entry import get_reference_details
+
+	for ref in doc.references:
+		payment_request_name = frappe.db.get_value(
+			"Payment Request",
+			{
+				"reference_doctype": ref.reference_doctype,
+				"reference_name": ref.reference_name,
+				"docstatus": 1,
+			},
+		)
+
+		if payment_request_name:
+			ref_details = get_reference_details(
+				ref.reference_doctype,
+				ref.reference_name,
+				doc.party_account_currency,
+				doc.party_type,
+				doc.party,
+			)
+			pay_req_doc = frappe.get_doc("Payment Request", payment_request_name)
+			status = pay_req_doc.status
+
+			if status != "Paid" and not ref_details.outstanding_amount:
+				status = "Paid"
+			elif status != "Partially Paid" and ref_details.outstanding_amount != ref_details.total_amount:
+				status = "Partially Paid"
+			elif ref_details.outstanding_amount == ref_details.total_amount:
+				if pay_req_doc.payment_request_type == "Outward":
+					status = "Initiated"
+				elif pay_req_doc.payment_request_type == "Inward":
+					status = "Requested"
+
+			pay_req_doc.db_set("status", status)
+
+
 @frappe.whitelist()
 def make_status_as_completed(name):
 	frappe.db.set_value("Payment Request", name, "status", "Completed")
diff --git a/erpnext/accounts/doctype/subscription/subscription_transaction.py b/erpnext/accounts/doctype/subscription/subscription_transaction.py
index daa57a41cc69640c1a7d11ea1635abc09a8f6173..e8d6dc132dc6e8b2c27dddf1203936ae772002fd 100644
--- a/erpnext/accounts/doctype/subscription/subscription_transaction.py
+++ b/erpnext/accounts/doctype/subscription/subscription_transaction.py
@@ -353,7 +353,7 @@ class SubscriptionPaymentRequestGenerator:
 					"party_type": "Customer",
 					"party": self.subscription.customer,
 					"submit_doc": False,
-					"mute_email": self.subscription.flags.mute_emails or self.subscription.email_template,
+					"mute_email": self.subscription.flags.mute_emails or not self.subscription.email_template,
 					"currency": self.subscription.currency,
 					"email_template": self.subscription.email_template,
 					"print_format": self.subscription.print_format,