UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8/epfkWJwbg9SWZXDYRu4acfXFObykODk1zA6SP5qC0=' 
WHERE 
  key_id = '4e23b3cb43d4b5c9d4fe20bbe3eff2d3d87a54acda23adc7d967b21b47aa2670' 
  AND (
    token = '8/epfkWJwbg9SWZXDYRu4acfXFObykODk1zA6SP5qC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )