UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zZACOmL32PEZVpu75eu2Rj8PaCRFJCdZX2Tvo2BH0fY=' 
WHERE 
  key_id = '02e8c7f12fa87a5df87ed215699daa8efeb49caf7eeafd9d610acf3313667435' 
  AND (
    token = 'zZACOmL32PEZVpu75eu2Rj8PaCRFJCdZX2Tvo2BH0fY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )