UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n1XL509HpoRtJ79OERBr+n9fKKJ65UD/OMJ7/FL1VNA=' 
WHERE 
  key_id = '4be8d6dc45b065e2f314239b2c4bfb9a28f76fb836e3d85f388c16d4a3324dd6' 
  AND (
    token = 'n1XL509HpoRtJ79OERBr+n9fKKJ65UD/OMJ7/FL1VNA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )