UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mEG1+REvYS03rj0VHErucvvg/65gW0hl7NUx2oLvYLc=' 
WHERE 
  key_id = 'a8ff1707dbde220f451cd07de9675b401997ea9d11909e7c1484d4b8ba6219a2' 
  AND (
    token = 'mEG1+REvYS03rj0VHErucvvg/65gW0hl7NUx2oLvYLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )