UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MOwcPxr8c1kYUtL8jRMBio9VXkvXwPzzSWjLGUl3X6I=' 
WHERE 
  key_id = 'e893f59e5cfaf390e498e90b505de60d6c0636bafb0756857b43cbc7b13f42d3' 
  AND (
    token = 'MOwcPxr8c1kYUtL8jRMBio9VXkvXwPzzSWjLGUl3X6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )