UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R0BObYA7ROMAuYffOWbN8NW8tZR9pZxtIlg8W6viEr4=' 
WHERE 
  key_id = '816a936a3695c7afb2736c1febfb7a94a960f60653fc43047d23abebaf0b648e' 
  AND (
    token = 'R0BObYA7ROMAuYffOWbN8NW8tZR9pZxtIlg8W6viEr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )