UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eTn3grgtkqr3BYsBTB5u6rMsL/v6b43e8tYmwkZIFvM=' 
WHERE 
  key_id = 'b7b49c3fc5dc1d2954eec34f4c4f1eb884acf439ccc09431f28a0e2f4683226f' 
  AND (
    token = 'eTn3grgtkqr3BYsBTB5u6rMsL/v6b43e8tYmwkZIFvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )