UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a1XGPY91l5owp4PTRvRRAqF1c6G248vZmZX8fBclwK0=' 
WHERE 
  key_id = '261ea937bf7d1c4dc774e651307dfaa73c0095061438df487aa7b63f1d2b400d' 
  AND (
    token = 'a1XGPY91l5owp4PTRvRRAqF1c6G248vZmZX8fBclwK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )