UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RsdtT7y7c11p7hGrI+UKo/lnDcq4QWxPyUBzpCD7we0=' 
WHERE 
  key_id = '49d6c39260bd58b5daab1c81e355e7a24240fde2a154c1dc7ff457419b9d02b4' 
  AND (
    token = 'RsdtT7y7c11p7hGrI+UKo/lnDcq4QWxPyUBzpCD7we0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )