UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mjl0dPX15MiAqXL7Pa+uIv6Pq+qa79RhYmLJc4cK/Qw=' 
WHERE 
  key_id = '75f3b125479b8f067341e603c20d3b91a31eb933382c7464585c3054b638046d' 
  AND (
    token = 'mjl0dPX15MiAqXL7Pa+uIv6Pq+qa79RhYmLJc4cK/Qw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )