UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uKMQi6q7xezbua2veENysMDjzLDTh4V3ZfZ44/13E+U=' 
WHERE 
  key_id = '55e67b1c0756d3a2388de79eea099dd943c38db03f4a2570479faee34d8c4952' 
  AND (
    token = 'uKMQi6q7xezbua2veENysMDjzLDTh4V3ZfZ44/13E+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )