UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7mCsvdxPghNTIc5r6rXCwxulYol0pfYFHUmdGgtRMic=' 
WHERE 
  key_id = '7b50657929a9f723a82643332abeabece1e007f6033f8da214012ca4caafd63f' 
  AND (
    token = '7mCsvdxPghNTIc5r6rXCwxulYol0pfYFHUmdGgtRMic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )