UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FMEAXIffYbBeRypPjXtUTzIZ9laP6o7oYcHwi6upN0o=' 
WHERE 
  key_id = '502dd2d39e09ad4283710d93345d393825b294edc4379bedf6aecee38e794aa6' 
  AND (
    token = 'FMEAXIffYbBeRypPjXtUTzIZ9laP6o7oYcHwi6upN0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )