UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NdRQewsATtTQnoJHXe6cmQTOsX9zBBGTevNSFXoxJqw=' 
WHERE 
  key_id = '838c5f971bf5a08a3d80e8a09852b2280554f745727932320e619304e66bc0fd' 
  AND (
    token = 'NdRQewsATtTQnoJHXe6cmQTOsX9zBBGTevNSFXoxJqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )