UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4JAvyIUz9SLCe4ukpK4Q6fcRcHhbS13fisZWDszfCs=' 
WHERE 
  key_id = '38f8051366a58d894392f9ae0777e10ec9373e1f42380b0721fd400a6cc9c437' 
  AND (
    token = 'a4JAvyIUz9SLCe4ukpK4Q6fcRcHhbS13fisZWDszfCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )