UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P5RQkyDur0C6GcOEvfvye2/LN7ksFVIz6FrqvUS2wRY=' 
WHERE 
  key_id = '45dca64f1aa0cadf33f92a970886bf9c2c5a75d2540de9820aec95678413fba2' 
  AND (
    token = 'P5RQkyDur0C6GcOEvfvye2/LN7ksFVIz6FrqvUS2wRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )