UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGhOf7ivF8aLVhqM48DcqqyakYdhKTQM5TnWUFTHSmQ=' 
WHERE 
  key_id = 'f68f9e0728d90dc0f055590e563bb3324c730df629fc393789c0176f0661e749' 
  AND (
    token = 'MGhOf7ivF8aLVhqM48DcqqyakYdhKTQM5TnWUFTHSmQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )