UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6U5sJa8kXVsIs635gj6lOqW7xgFk6Omy3ENzBzF7yTs=' 
WHERE 
  key_id = '75ceda6ba8807fdc38752a39a1bc54a17c9a71e30d31930c2b8d0b12e6cfd8bb' 
  AND (
    token = '6U5sJa8kXVsIs635gj6lOqW7xgFk6Omy3ENzBzF7yTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )