UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pLMgSUc1mXJCWqxfOYXCwvCb0BRGcZAvAK1SZgccOqY=' 
WHERE 
  key_id = 'e273085a56b1340cc10ba1bacdc82d0b0b902e8439de7be54a76e8a58d5e0390' 
  AND (
    token = 'pLMgSUc1mXJCWqxfOYXCwvCb0BRGcZAvAK1SZgccOqY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )