UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CdIMWYRbTE3SreTUpCCrpXMRDYJdSQJCZa/8xYV603k=' 
WHERE 
  key_id = '3b161e4d76cbe6202a2ee7a42452b4c9d6da4f56aae2b8e934f8dfb1a2b5d96a' 
  AND (
    token = 'CdIMWYRbTE3SreTUpCCrpXMRDYJdSQJCZa/8xYV603k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )