UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bdRsI0QsIOsf1btAgvgJwJk6ie1NBjg+9yAnE4yw8yk=' 
WHERE 
  key_id = 'a01053f6a0b26b6f2a86417a9244e6e4c086dba777373b7129f8caae411c551b' 
  AND (
    token = 'bdRsI0QsIOsf1btAgvgJwJk6ie1NBjg+9yAnE4yw8yk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032