UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AC+2vBgC0VlJrnRvwJ2yF82m4gb7cuBMjzp4C1fMqB8=' 
WHERE 
  key_id = '21084efd71ef0d85409241ddac6813df632a2b738459b3a8d4e13b0ce563b844' 
  AND (
    token = 'AC+2vBgC0VlJrnRvwJ2yF82m4gb7cuBMjzp4C1fMqB8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )