UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oTQ4ntGr2FXzkonMlBVGzYI0N0w/EZCLRAG8Y+EJIRY=' 
WHERE 
  key_id = '2938c26b34524d75871de6d0943d0a204c928a76f36fae2d9b8668696cd8ac95' 
  AND (
    token = 'oTQ4ntGr2FXzkonMlBVGzYI0N0w/EZCLRAG8Y+EJIRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )