UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'plvgOP0/tbLdFlLwxF3ityfmwE8PmAezkDghDGTGlGQ=' 
WHERE 
  key_id = '4fbf236909bb391f6627275c15445fecfe77320b4cbe3aa3af9123a2db579f7e' 
  AND (
    token = 'plvgOP0/tbLdFlLwxF3ityfmwE8PmAezkDghDGTGlGQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )