UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxECBNRrKlvm2rDi2EWBVFAnKOU7zPiE/W5C6kBrW/M=' 
WHERE 
  key_id = 'a6423ce1c3fbe5e1ced2dc19c261954b14941d2356f71fd3a5ff501dc8dc7294' 
  AND (
    token = 'MxECBNRrKlvm2rDi2EWBVFAnKOU7zPiE/W5C6kBrW/M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )