UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21E6JbwZddM8/9ntk5jEBQeC47NQvunXTuscFDmztUs=' 
WHERE 
  key_id = 'c8338573540163d1531cffeeaabb627d05647138ebd788ed80723a75c279ced4' 
  AND (
    token = '21E6JbwZddM8/9ntk5jEBQeC47NQvunXTuscFDmztUs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )