UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h8qSMPLNCbtlw9LEQABpQsXQHS3JiYqFkHCK3+xXojE=' 
WHERE 
  key_id = '908f18715dfd293f13c0da1a57d8b377ab9525c7109bc4fad84b6c174fbce877' 
  AND (
    token = 'h8qSMPLNCbtlw9LEQABpQsXQHS3JiYqFkHCK3+xXojE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )