UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ut7OJZsvXlMtjOcZlqQLBDSnB4wqwlnfraazIvWJAbo=' 
WHERE 
  key_id = '51405a60cac98961bbc4dc0cc55f333ff47351cdeac19d49022337d3bb0470a4' 
  AND (
    token = 'ut7OJZsvXlMtjOcZlqQLBDSnB4wqwlnfraazIvWJAbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )