UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GUzDvGF2Oalj8am5MWq5DPvDn0hl2WNYbaisNV4+At0=' 
WHERE 
  key_id = '2e9195a28b190bf5c862c5b0e189b7175452a60820bb94728c98065ca59d6758' 
  AND (
    token = 'GUzDvGF2Oalj8am5MWq5DPvDn0hl2WNYbaisNV4+At0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )