UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SdE/Tp8yFndLMNJURziLu1ctvrnfcjfDSfmfysuTtfM=' 
WHERE 
  key_id = '21f40118a55c3ecc2d1eb78cc9cd1ab27636637955adad350c7508f8e981744b' 
  AND (
    token = 'SdE/Tp8yFndLMNJURziLu1ctvrnfcjfDSfmfysuTtfM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )