UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'exAfxtIOEPfjFGp9oerV+DqTqVXzUjeCSGiLkb314PA=' 
WHERE 
  key_id = '29f20b8ec1f89bf146740513273c52702f352806af2b4d29ecd4b2a40a1e1239' 
  AND (
    token = 'exAfxtIOEPfjFGp9oerV+DqTqVXzUjeCSGiLkb314PA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )