UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C2u7O8bmNuIx1x+NThDjLSP1slx1WJRDqDtLYlf+kcg=' 
WHERE 
  key_id = '8f21d7098405d5ff5dde4a222fe412d844e74afe982b2c30b9354cba1ecbe82f' 
  AND (
    token = 'C2u7O8bmNuIx1x+NThDjLSP1slx1WJRDqDtLYlf+kcg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )