UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8JNtygyToCYiI1iqFMV8+aNJWZV4Z/tYzNsYRuerDIY=' 
WHERE 
  key_id = '955a879036c8d4dbfd4d93b73bab8dfd135c34151976d5280fdd2a44f975d449' 
  AND (
    token = '8JNtygyToCYiI1iqFMV8+aNJWZV4Z/tYzNsYRuerDIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )