UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g6srj310QhDze2PoqwaWmGwwWriLmkv0PT/sXEWqcd4=' 
WHERE 
  key_id = '4a3657c3748b9d90cbb1085b437ce6cfe4227d5bd0a8a19a78c2d5db49eef2b8' 
  AND (
    token = 'g6srj310QhDze2PoqwaWmGwwWriLmkv0PT/sXEWqcd4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )