UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qV6giOWWbpLlPtwul1GupaNJfHifFGF2dfOPB18cOn8=' 
WHERE 
  key_id = '51de0950508deb0b275b40e1f6bb1e2f91dd3ea48df339271025ccc81b5e885d' 
  AND (
    token = 'qV6giOWWbpLlPtwul1GupaNJfHifFGF2dfOPB18cOn8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )