UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pZk1u0osy5QX3lDTWGnDdcKxXMOurViRHxBOAdCVg/4=' 
WHERE 
  key_id = '543cf7085964b7464adc328fd2e9321e1d7e100606c950744871f0c451edcb21' 
  AND (
    token = 'pZk1u0osy5QX3lDTWGnDdcKxXMOurViRHxBOAdCVg/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )