UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WctOkEbbhwzBC6mW8enLl2efS10yXv5shAqhKtsRegI=' 
WHERE 
  key_id = '6c973ff8a273503fb1518be67fed30982516b29b655fed99e8bb9db86046f2a2' 
  AND (
    token = 'WctOkEbbhwzBC6mW8enLl2efS10yXv5shAqhKtsRegI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )