UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HbMyN1XQ4M4mnjSXziOPmxukw6saHWr7cmu17k8NpnU=' 
WHERE 
  key_id = '6d4b1c2af173c873935d133dd97e7294f956ec2894762608bf90a715d7e52964' 
  AND (
    token = 'HbMyN1XQ4M4mnjSXziOPmxukw6saHWr7cmu17k8NpnU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )