UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'US6Rc6l7dLZKAOPJ3cWXO8wmjnkFil9NomqSDN2R3K0=' 
WHERE 
  key_id = '31d15528b608c7ba22d038958c4f90a99b1b62e6e4b35a64619704cd7e0abcf8' 
  AND (
    token = 'US6Rc6l7dLZKAOPJ3cWXO8wmjnkFil9NomqSDN2R3K0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )