UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'he7eCuIyo5+kOKbTOEQ5pttss77oWcQcUQj/zGPxxxs=' 
WHERE 
  key_id = 'b4fbe05f72937560f06c4c30886199cf84feea541b673c9540db756e3a17170f' 
  AND (
    token = 'he7eCuIyo5+kOKbTOEQ5pttss77oWcQcUQj/zGPxxxs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )