UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uN42Dl2SHjSDgTcz5SV4O5uGQnC7iBubTnroTEzll3M=' 
WHERE 
  key_id = '27b6135b6ffc03b98956bf0dc805f1a23ec2d5858f4aff813ad48b71807b3414' 
  AND (
    token = 'uN42Dl2SHjSDgTcz5SV4O5uGQnC7iBubTnroTEzll3M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019