UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bU1mgXfYiExzIWEq2opvXAhx4cV0LKNcbHgXKBQOkVY=' 
WHERE 
  key_id = 'c46684820ee9e1f0fe80afaf5fc05e0176ca095937d188043cb0a72aa062cf92' 
  AND (
    token = 'bU1mgXfYiExzIWEq2opvXAhx4cV0LKNcbHgXKBQOkVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )