UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R8Tw2AvI+fu8Kx1fLFdmJ+3RIqIlkbrjKrB+BEouPMQ=' 
WHERE 
  key_id = '6a737dd3646d68c5ec0379ad8712959cde5e21668970de29f70c39b34e5955f6' 
  AND (
    token = 'R8Tw2AvI+fu8Kx1fLFdmJ+3RIqIlkbrjKrB+BEouPMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )