UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qPn15Tgb86YniBRPwXmn/BQWq9lccRSLbcppZDoUYeY=' 
WHERE 
  key_id = '6d24ab9f5472ae2ba14b004a464b1dc4e10ffc316989b8bfc38cb4b16c6fb094' 
  AND (
    token = 'qPn15Tgb86YniBRPwXmn/BQWq9lccRSLbcppZDoUYeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )