UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nqju8AGJFK/OWXmkchyy3Jw7Shpe61MOILch5g1lWlU=' 
WHERE 
  key_id = '2e5a227cdc512ddbaac01ed60c537e881f482c8efa0e7d58f4f8a700e02bac2a' 
  AND (
    token = 'nqju8AGJFK/OWXmkchyy3Jw7Shpe61MOILch5g1lWlU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038