UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1gAWRsEJ9gmXFZeovFX3IuRs0uhITX0wS0WsU8LVy/4=' 
WHERE 
  key_id = '768defee05e0242e81f277f72f94b559b7ca9ad5b137fbd9e8b50a31abab8ba8' 
  AND (
    token = '1gAWRsEJ9gmXFZeovFX3IuRs0uhITX0wS0WsU8LVy/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )