UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ajLpLPGFM16+TAJMniuwy9T0boCQAoWLuGTOg+2yfHQ=' 
WHERE 
  key_id = 'd21e3d509d285108520f87ce9d7f23f58092dc352886a571a4a20d920b580242' 
  AND (
    token = 'ajLpLPGFM16+TAJMniuwy9T0boCQAoWLuGTOg+2yfHQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )