UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'meXTl5Qh68wcQzyD2MC0487lP2DltvYSkYiiabrxeUc=' 
WHERE 
  key_id = '20e433c7ca7a5a9a3462efca04022c914fe4651b8f76e2e1daf2e51a26d6869c' 
  AND (
    token = 'meXTl5Qh68wcQzyD2MC0487lP2DltvYSkYiiabrxeUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )