UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ti5srlK5KDftj+ynajrsXfzskQ4BYqVTBxgzc5s4/Xk=' 
WHERE 
  key_id = '6d6d97a2578761e8afdf46613da8fb71d5218b90c95f146d1402ec2434ebad4b' 
  AND (
    token = 'ti5srlK5KDftj+ynajrsXfzskQ4BYqVTBxgzc5s4/Xk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )