UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RKJqVGJri6S9KA2GtdObISNng7hQgYQn6dv7Cgdhrdk=' 
WHERE 
  key_id = '23c3cbd25ff99de2ab3969364c955592c9524e79a125d47d42d4c5a8207054fb' 
  AND (
    token = 'RKJqVGJri6S9KA2GtdObISNng7hQgYQn6dv7Cgdhrdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )