UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ag81tO6KvWM1rAfFwv6s1EK97dqtbw5qN2Zfq3CeF6I=' 
WHERE 
  key_id = '49b4497fe338bbe443b9b3fe7d8366640e6e7a2c4c11da307d40b5b9e375bce7' 
  AND (
    token = 'Ag81tO6KvWM1rAfFwv6s1EK97dqtbw5qN2Zfq3CeF6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )