UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KR8z4cEhjwup2QhXTtYKxh6pmAnkSOmxfiA9+DvAcEI=' 
WHERE 
  key_id = 'e4f22fd1e0070f48ab69cc044f2da4b88443daca9df965a537b62c96dad6bb5f' 
  AND (
    token = 'KR8z4cEhjwup2QhXTtYKxh6pmAnkSOmxfiA9+DvAcEI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )