UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w/93Ke+ZXSi5u4uXXPV1DcipkxCgnMClcynvLCS0Bew=' 
WHERE 
  key_id = 'c8be5ed602cdbef82c2d875aa93c0e526b15ca36814f83079a1c151976213be7' 
  AND (
    token = 'w/93Ke+ZXSi5u4uXXPV1DcipkxCgnMClcynvLCS0Bew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )