UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zBkDp+dI4Qbmixac9QuPrRghUv5PpJs73fVeNo67QsM=' 
WHERE 
  key_id = '741ac3e7761cbc1bed750ec363ff476bd835249267b16908682e5d705e31ef63' 
  AND (
    token = 'zBkDp+dI4Qbmixac9QuPrRghUv5PpJs73fVeNo67QsM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )