UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kC5ceJsxAVgZahvJ6XgtxLUgESLt8FYbMKUMyiKIXb0=' 
WHERE 
  key_id = '52f2a6d75c4119c608d53f2542609f0e9a853817788e01b180a92b10b2e153e8' 
  AND (
    token = 'kC5ceJsxAVgZahvJ6XgtxLUgESLt8FYbMKUMyiKIXb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )