UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gC9zS+N16bFTzVmowG9nItrzlQXzsJJQHQMSm6iN4cg=' 
WHERE 
  key_id = '9b3c954d0e009bc3fa2698255f2db4bda764279653c38be22d730e815d0a1988' 
  AND (
    token = 'gC9zS+N16bFTzVmowG9nItrzlQXzsJJQHQMSm6iN4cg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )