UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g6yzzzfn3uHVBUGS4tWmedmbJ9oOje53PL7AZS1LuQU=' 
WHERE 
  key_id = '1b4a059e5c687ae821d70eb6030569fb16101b3738b54e998b582b1e0191a741' 
  AND (
    token = 'g6yzzzfn3uHVBUGS4tWmedmbJ9oOje53PL7AZS1LuQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )