UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BIVDtHay9mCWJez29mh+JADe0yCflz0Z+4AXcPcVKNo=' 
WHERE 
  key_id = '8c802ceb594f167147cdb82e4bb02fc027bdb7a8cb4488355e0d44581102f937' 
  AND (
    token = 'BIVDtHay9mCWJez29mh+JADe0yCflz0Z+4AXcPcVKNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )