UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mh56Afmug4hn0ibZ5YJnhfKEY5azzK7kAdjimDyXkyc=' 
WHERE 
  key_id = '4f1aaa574df85749174a969fd94a4aea132567edad78eb275f6b952ee579b96c' 
  AND (
    token = 'Mh56Afmug4hn0ibZ5YJnhfKEY5azzK7kAdjimDyXkyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )