UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPyXY0FwxulvGSnJgt31+t8Romst2j01+OMxa043IAA=' 
WHERE 
  key_id = '26d35f0494bbbd97546d7e12c917930aaf0457669e2dc6e1a1bc45474312bb18' 
  AND (
    token = 'PPyXY0FwxulvGSnJgt31+t8Romst2j01+OMxa043IAA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )