UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6TH2QouxMvIrOUrXXEqQ98o8akfhIK3gAvYqTZKrKAo=' 
WHERE 
  key_id = '28e6e8a29e323219356ff194ea2dc1a95cfc3748aade433e5e694beac3891836' 
  AND (
    token = '6TH2QouxMvIrOUrXXEqQ98o8akfhIK3gAvYqTZKrKAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )