UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KMiPPv9YmkcIc8yoEVBw5yTPm8OrcxUHWwWxp42iENk=' 
WHERE 
  key_id = '20a1f13c294cc16221309a45daea68569b5c4abfc536bf50e54e6d8d1b92ef92' 
  AND (
    token = 'KMiPPv9YmkcIc8yoEVBw5yTPm8OrcxUHWwWxp42iENk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )