UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2u1+gmhsny7QVssVSzGnOAX/7It0+Ip0ajDMuU0ZHNA=' 
WHERE 
  key_id = '855b6503dbdc32c301e9fd95df6df7c0998ac447af2fb45f7b5a3055037734da' 
  AND (
    token = '2u1+gmhsny7QVssVSzGnOAX/7It0+Ip0ajDMuU0ZHNA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )