UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6k2V3TB9CpyFhSbchxfPKDv7iolv9a2bTBTMc6ymxYg=' 
WHERE 
  key_id = '0c04c8122389e2e68ce91402331ee17c8bfd51c8e4a3817956233e266224f191' 
  AND (
    token = '6k2V3TB9CpyFhSbchxfPKDv7iolv9a2bTBTMc6ymxYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )