UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PNR9FhJfaopWVsrJJX2JbkkC7al1uJXmGhI52y6PBW0=' 
WHERE 
  key_id = '6a3889e252c5036053449f27bd57cbb304d4d6afb452e1e37388946aea788306' 
  AND (
    token = 'PNR9FhJfaopWVsrJJX2JbkkC7al1uJXmGhI52y6PBW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )