UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G6jwBlo3fT1g2ESrqKFN3r0xCotzAfLyH/BbW2VssXs=' 
WHERE 
  key_id = 'b7b5550996af37055232cfe576624da00ded926defd57c26d155258637c9a85f' 
  AND (
    token = 'G6jwBlo3fT1g2ESrqKFN3r0xCotzAfLyH/BbW2VssXs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )