UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6KmEFjiZ+edG8lZd1VDcb3Rz4iigQu2XcYIKiSdFmyk=' 
WHERE 
  key_id = '91e50ca0e3f0bff4454acb87f85d12d2fe8280e982cd33292dbca7067aa474a7' 
  AND (
    token = '6KmEFjiZ+edG8lZd1VDcb3Rz4iigQu2XcYIKiSdFmyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )