UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rb3SJLfUm4yjoXIrxjYm7cOkrMDutquza6Y0vGP7nfc=' 
WHERE 
  key_id = '6f4ce87b792e6e1ebf155674fe4a4da3f645445f36957800ef94e4ed61a550d2' 
  AND (
    token = 'rb3SJLfUm4yjoXIrxjYm7cOkrMDutquza6Y0vGP7nfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )