UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xM6cgPNGg9lUIgMrhYp3NngbZ3UMWiza456rUOpXV00=' 
WHERE 
  key_id = 'e8e9ccedaa512e4c61c7fa976d4e2e4779dafce85d2587e77c80476a8f62fc18' 
  AND (
    token = 'xM6cgPNGg9lUIgMrhYp3NngbZ3UMWiza456rUOpXV00=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )