UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0OuCYxI1AQ28ppOI0qvDJduL7LmaoBCnlZFcMPpxZXM=' 
WHERE 
  key_id = '6c055de559c1a18488e7847f4a7bcd5f839d6bba9cd832e7d98aedf73baa537b' 
  AND (
    token = '0OuCYxI1AQ28ppOI0qvDJduL7LmaoBCnlZFcMPpxZXM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )