UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e5RtRTkDKEZCaxAmANDc6QRozz6hSB7F4vKjg163/NU=' 
WHERE 
  key_id = '82101d52ff6a7905c7d5a1d03580e3b51536cac6a9220ba873571152daaac51c' 
  AND (
    token = 'e5RtRTkDKEZCaxAmANDc6QRozz6hSB7F4vKjg163/NU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )