UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cMmdms8S8g2HAHgFAGSB3jZHgNpE4lTOqnFCbCxiptg=' 
WHERE 
  key_id = '6ebb53e37a0196eb2632feb4c8a11405fe627cb0785fdfde677f01b19bc59ca2' 
  AND (
    token = 'cMmdms8S8g2HAHgFAGSB3jZHgNpE4lTOqnFCbCxiptg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )