UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrCDStnp9jmu86eSS9x1hdqheQcViUe9FibuP7/KQzo=' 
WHERE 
  key_id = '6a539452b6c5e9d5eabb70d656957669a9ae875363666ac966fea1b248103d59' 
  AND (
    token = 'PrCDStnp9jmu86eSS9x1hdqheQcViUe9FibuP7/KQzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )