UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6G82IvymrKJj1tazi2eJVsDBIBjMLODm1eqfsVSfCI=' 
WHERE 
  key_id = 'a0b2871193e0dbde349624326657535d53796b45fea00925fcc2e3992d004ec3' 
  AND (
    token = 'u6G82IvymrKJj1tazi2eJVsDBIBjMLODm1eqfsVSfCI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )