UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//X9dJ2tEFq609n6w8IMbq6SRZjapHUA3gWYPa0t2mc=' 
WHERE 
  key_id = '6218af911e1877372c4326edce308b4ed856378fc2525ff9002e456d57a44f3b' 
  AND (
    token = '//X9dJ2tEFq609n6w8IMbq6SRZjapHUA3gWYPa0t2mc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )