UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NkOhbig80JVw78bXBjU2oJttOJcxSQdoDHXh/Ecrbhw=' 
WHERE 
  key_id = '27d3c11ec351de97adc75416086f76920d91c2535d5e822763f9c0f3c7f454b1' 
  AND (
    token = 'NkOhbig80JVw78bXBjU2oJttOJcxSQdoDHXh/Ecrbhw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )