UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UkeZzig7lMyF+JaSzsDJUAb7GmQTJ6ap6CJIxS2KKRM=' 
WHERE 
  key_id = '2d834f78bd2dd602a2c90d06dc981289c07479f61eba19c7a3e6d12b76926ae5' 
  AND (
    token = 'UkeZzig7lMyF+JaSzsDJUAb7GmQTJ6ap6CJIxS2KKRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )