UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vBTv3w+ehrVLS98iDiomv2ooyI2N4F/TlAN2KKhI1G0=' 
WHERE 
  key_id = '503eae48e16e3892477c5ffebaece756b387b4b91afe6deed099181acea56285' 
  AND (
    token = 'vBTv3w+ehrVLS98iDiomv2ooyI2N4F/TlAN2KKhI1G0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )