UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n52G6q7dvGARmfhSNuz1sPruCYsUdgXqMft6jRlaOTw=' 
WHERE 
  key_id = '38396926fbca3df2bc41a283e3f9b1db190811230c7a287661a68c2a54400620' 
  AND (
    token = 'n52G6q7dvGARmfhSNuz1sPruCYsUdgXqMft6jRlaOTw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )