UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YQlhQ5OP6jAbU/9XP3SV+d2hkSbtqpm2k/EuCYsfYes=' 
WHERE 
  key_id = '420506869d3d27f9a074765fdaa02898381e98934233959d703eb822f8f615a9' 
  AND (
    token = 'YQlhQ5OP6jAbU/9XP3SV+d2hkSbtqpm2k/EuCYsfYes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )