UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S2lHhqEtntPAteWUzrPFBd38rF/kAfPZrWXfktMfCR4=' 
WHERE 
  key_id = '6e173d6e77c88d927e068440f0ad9b3f29bf2c78de28fb73b27a9acfdff86855' 
  AND (
    token = 'S2lHhqEtntPAteWUzrPFBd38rF/kAfPZrWXfktMfCR4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )