UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZMOWLTPSHSfCOBLq92NS99kbmnfeGvbUo9dCS0E/PM0=' 
WHERE 
  key_id = '511d65350da14e2e528ff0d883694f1f0b61a14c6074f3de6dc92544a5cdfae7' 
  AND (
    token = 'ZMOWLTPSHSfCOBLq92NS99kbmnfeGvbUo9dCS0E/PM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )