UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MtwXZ+shfwTpK63SEggKjeixaYawnn2/W/IPqCDYvPk=' 
WHERE 
  key_id = '7e968ddac3bf7dafa1f20c13ccf6a774606e00ea6d7abac0bacca7dbf1957bb0' 
  AND (
    token = 'MtwXZ+shfwTpK63SEggKjeixaYawnn2/W/IPqCDYvPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )