UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ysWQIMJXBgD8Nojy8emJ71jqtvFZc3PWfwFzDSSNbU8=' 
WHERE 
  key_id = '29ec554a71b4fb0018815d5fe8ee8983d5f055bed7bf78507af3e280555629ea' 
  AND (
    token = 'ysWQIMJXBgD8Nojy8emJ71jqtvFZc3PWfwFzDSSNbU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024