UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I9tARhtQfOBOCJ2YZnOqCK4LF4nc6mVTdNsmsn0DQek=' 
WHERE 
  key_id = '8d47536d4a2dffdb14b4d484d261cda05332db3b5b85625faada6659f04853f6' 
  AND (
    token = 'I9tARhtQfOBOCJ2YZnOqCK4LF4nc6mVTdNsmsn0DQek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )