UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rFhXQrOmBgwhi92jpf5Qny4uWlPis+rPmjMWuLkl8A4=' 
WHERE 
  key_id = 'b7fc68abd5b64413788f9771281a607e81f3af187a6700a825d523200ba8e538' 
  AND (
    token = 'rFhXQrOmBgwhi92jpf5Qny4uWlPis+rPmjMWuLkl8A4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )