UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '42x+lcQHMIQ4iFkrFVSzw1LhL4oYVBN92oCTvPUMyWc=' 
WHERE 
  key_id = '5e49ff6c35183bb42fe886921cdde05d7d15a9c02acbc47a97de5f35e8b28e4b' 
  AND (
    token = '42x+lcQHMIQ4iFkrFVSzw1LhL4oYVBN92oCTvPUMyWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )