UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rc6TfhX009v1PrgwAr3tGHKZ3hTROP1gFjzGM8TF8Xk=' 
WHERE 
  key_id = '82a15a81ac325b43abd1040b5a5290666817e30cc474a782e209037732622107' 
  AND (
    token = 'Rc6TfhX009v1PrgwAr3tGHKZ3hTROP1gFjzGM8TF8Xk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )