UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6D/aMV9yzS4SXMWawVWzGoVC5U9XexqVbnrhViJ8qeY=' 
WHERE 
  key_id = 'c201669aa009576b65088d0d2b3f0740e581120839ce54d200913561d6a5cde2' 
  AND (
    token = '6D/aMV9yzS4SXMWawVWzGoVC5U9XexqVbnrhViJ8qeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )