UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gn5tcN439rlXyTsLDNbj4WtOjHBXY7QG0agZWz2j8sI=' 
WHERE 
  key_id = '74b16558e12a40e2a0a6653bf5779dd9bff3973290f40be9e282be8520579a70' 
  AND (
    token = 'Gn5tcN439rlXyTsLDNbj4WtOjHBXY7QG0agZWz2j8sI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )