UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QvQkX11gsm2qnswj36RclWSOZuPEdHVjzs/P//9uCtw=' 
WHERE 
  key_id = '8c35194a7943e45442524bf0b35631aff27e860eba5e2eb3f820e4e8103cd526' 
  AND (
    token = 'QvQkX11gsm2qnswj36RclWSOZuPEdHVjzs/P//9uCtw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )