UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xkDUG052GYf4sjOyCI8x8m7SfD5vz5DG2uRqM+Gk/LY=' 
WHERE 
  key_id = '21682ff7e464a854f61419dd69d7089f33d2c5e2c48b812f39f9f14a2ee31c60' 
  AND (
    token = 'xkDUG052GYf4sjOyCI8x8m7SfD5vz5DG2uRqM+Gk/LY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )