UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vUAJ0GJDn7hO5hCXkt/JyAp8d94YvPu4nDwCNBRYtwM=' 
WHERE 
  key_id = '18fe281fdeada77bc442bd50c63710e80676b90e96ef5a24f8109e05b03cafe7' 
  AND (
    token = 'vUAJ0GJDn7hO5hCXkt/JyAp8d94YvPu4nDwCNBRYtwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )