UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BFml8MSEG76RXmhB5nznSy6JUeEFEpwZAqZCiC//M1k=' 
WHERE 
  key_id = '56537ca08d0a1114eeb104df328172bb670fb8600d76c5ae772ea7f61fed893e' 
  AND (
    token = 'BFml8MSEG76RXmhB5nznSy6JUeEFEpwZAqZCiC//M1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )