UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mDcEzWcGdVi3//RaYOWD6CgqtxpBBBhClitm0fiDBcc=' 
WHERE 
  key_id = 'e921e804bce644e68604bd38551ac2f042f4aee9e6abe4d4e2bfd92d1b06e7b6' 
  AND (
    token = 'mDcEzWcGdVi3//RaYOWD6CgqtxpBBBhClitm0fiDBcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )