UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NFq2i00raU7e5DjhKpR78im4LSpJb3Ro6JU5HEBo8+c=' 
WHERE 
  key_id = '93373b0a7d31a36a0bf3a774d3750d606a70c0a9b0d5820de9c3a2d2b1142475' 
  AND (
    token = 'NFq2i00raU7e5DjhKpR78im4LSpJb3Ro6JU5HEBo8+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )