UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6g786ZYTa046HHSplnSGtW15EKfFE2WZyN3bGUh8Mqk=' 
WHERE 
  key_id = '81a431dd22a50c1d18ac410fb89a8881fc85e50605165a576a35b865894ce1b2' 
  AND (
    token = '6g786ZYTa046HHSplnSGtW15EKfFE2WZyN3bGUh8Mqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )