UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UnZ7TCBIja2dPsjk0iAfJvPslTjnAHeg6PRCyGImFfs=' 
WHERE 
  key_id = '38228b157d6e0760a014dc341b82309493e0db41503f198e4a12fed2b3c60b76' 
  AND (
    token = 'UnZ7TCBIja2dPsjk0iAfJvPslTjnAHeg6PRCyGImFfs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )