UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MybqnSTdzHi1cxfQ2kaF/HzdPSg1q2lEWE83fzPVVoI=' 
WHERE 
  key_id = '518570e2e21c2dd817db2d1aec375db05c82ba579b323484fc107ee78e092e31' 
  AND (
    token = 'MybqnSTdzHi1cxfQ2kaF/HzdPSg1q2lEWE83fzPVVoI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )