UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gA3PGyYXAOZ9Sa8438pdXbjz9qlwA+WYPCLaZbzIRFk=' 
WHERE 
  key_id = '91974f2db59b07db5244bcc77ab446bd390dd325347b0355ce3027db23a55438' 
  AND (
    token = 'gA3PGyYXAOZ9Sa8438pdXbjz9qlwA+WYPCLaZbzIRFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )