UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+hwcu6BQwULfP4WKJ8gm7AN+vLH1H2PplcaXn0he0ME=' 
WHERE 
  key_id = '2f508034eeee1a05c24527318e796752571887b48f11a66148c5245dc1182a75' 
  AND (
    token = '+hwcu6BQwULfP4WKJ8gm7AN+vLH1H2PplcaXn0he0ME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )