UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JP6jgxlwUtwLXLo+WgRRNz9/uYl8YnlYFlb5q8apEdU=' 
WHERE 
  key_id = '6e3f88a52ef3f8f4de104314f1529413d13ec790ecbc28291d28354cf6d98add' 
  AND (
    token = 'JP6jgxlwUtwLXLo+WgRRNz9/uYl8YnlYFlb5q8apEdU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )