UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8QAFP2qSy24rs9+kOwpIQSHSj1co1gAGDHX0ej5Fl3c=' 
WHERE 
  key_id = '121ef68a09d0f2fd297a85ab7dac9fbfe2174c74e86efe2810ed2753d06d35f8' 
  AND (
    token = '8QAFP2qSy24rs9+kOwpIQSHSj1co1gAGDHX0ej5Fl3c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )