UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D1qX1F6toi4RCNOKuQoxDtSCSD/pcmLtUvRsfIK3Qdc=' 
WHERE 
  key_id = '9f87cec08cf5f3ee0d8675fadb74d10327c91c172aa3fb9929c6774e77f25199' 
  AND (
    token = 'D1qX1F6toi4RCNOKuQoxDtSCSD/pcmLtUvRsfIK3Qdc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033