UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TBZf3QD1sjrqLE72QglbS0mEFhjmsGp0zpVaUE4VSyo=' 
WHERE 
  key_id = '856f3ac3a06f92431f973c3468207f24575048bae1066820b966bdb2033b3f2a' 
  AND (
    token = 'TBZf3QD1sjrqLE72QglbS0mEFhjmsGp0zpVaUE4VSyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )