UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PnAJxtjJoLnhGx0NXa9YjzcCuy6DI5baKa21Sx4CiGg=' 
WHERE 
  key_id = '2612c86a11484c5a53e61d5acd5d98fcda5908f4c03cbdcfcaace9bede335fb1' 
  AND (
    token = 'PnAJxtjJoLnhGx0NXa9YjzcCuy6DI5baKa21Sx4CiGg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )