UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'me7bFOcVnu0jPquzNC2dqxvYIG8NKCxiDAfn7XrQUuY=' 
WHERE 
  key_id = '8889cff46dd94d255562dff1e947d6f2ba5c308acc66d75c0af737b4e1fa1bd3' 
  AND (
    token = 'me7bFOcVnu0jPquzNC2dqxvYIG8NKCxiDAfn7XrQUuY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )