UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GyZhKOMNhKw6zRmDYCNpBX9D5jxPxqCrfSa7evPsXdM=' 
WHERE 
  key_id = '4955feedd66b78e20c808ec408b5124ca3ca873104b6664f1ce564f5b6834fe2' 
  AND (
    token = 'GyZhKOMNhKw6zRmDYCNpBX9D5jxPxqCrfSa7evPsXdM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )