UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+a0VPMOEFetRnDdCZFwIxv0ZjHKEX3Yk4Fnr1MuxA7A=' 
WHERE 
  key_id = '81503a67c9f4ab6d94ddaf6daf73aa5c6368ca6c5d79f4867a7cfc590ac07d72' 
  AND (
    token = '+a0VPMOEFetRnDdCZFwIxv0ZjHKEX3Yk4Fnr1MuxA7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )