UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uG/lkpAAMyw5bUNY8ePcCbQaMq5kzv+VQfyKLyf4MRM=' 
WHERE 
  key_id = '6340e6551a613f179661163e3e2769288045b5ef98a521b7ca41ec4e88e6530e' 
  AND (
    token = 'uG/lkpAAMyw5bUNY8ePcCbQaMq5kzv+VQfyKLyf4MRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )