UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r3zIb4X2ihECggMgWkAHkLmzhK+xtjz6tEGSe+DeOPk=' 
WHERE 
  key_id = 'ff68b88ad6c1a86a8da70546227676a08678c4971d9072695d6bb203ec2dd761' 
  AND (
    token = 'r3zIb4X2ihECggMgWkAHkLmzhK+xtjz6tEGSe+DeOPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )