UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VfUyLCALCquJbfhojQ0nQvq2aSFleRhZIhziIWFclIQ=' 
WHERE 
  key_id = 'a6979b7d979de1c7217ec83e1ee21eb90c4913a325b4ed0b9931f4f0d23ea52c' 
  AND (
    token = 'VfUyLCALCquJbfhojQ0nQvq2aSFleRhZIhziIWFclIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )