UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPv1wmCJGZl+BWDk9dVmZNj2a7XXy2rxyJkrjpF7LA0=' 
WHERE 
  key_id = '6d18466cc82be77799ed6eec817d533237743c7603743fabb08194aef4ba9f7c' 
  AND (
    token = 'PPv1wmCJGZl+BWDk9dVmZNj2a7XXy2rxyJkrjpF7LA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )