UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCVdoqpz/ub7yAjRYHSJexkQjsz0L0npv2EyYKSicXo=' 
WHERE 
  key_id = '7ffc76aee0d5a57db84e0d5b4f92ff3bd9bcb84dccdd1f126f7233bff0c746fd' 
  AND (
    token = 'PCVdoqpz/ub7yAjRYHSJexkQjsz0L0npv2EyYKSicXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )