UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nXuzHKSmFAL3ZD9rlvh9reGWiMO7Egl6rHHrL5t9r1c=' 
WHERE 
  key_id = '8d6e9510904d6614d6160f32f4215f373f3df750ab4ab4023fd9375a0d2f22ed' 
  AND (
    token = 'nXuzHKSmFAL3ZD9rlvh9reGWiMO7Egl6rHHrL5t9r1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )