UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N5V1629SDNSeBHEuX1ks980LBoXpUlgnwvsevZdgZbA=' 
WHERE 
  key_id = '8468a730b5ba5820d45da10d7f413794bcaa8c16617160aa8cca8fe4077d8993' 
  AND (
    token = 'N5V1629SDNSeBHEuX1ks980LBoXpUlgnwvsevZdgZbA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )