UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jLwQ32H2TuSElfyqfuulmo/cM02Iv+qif/2sP84mf9w=' 
WHERE 
  key_id = '48c08a311d7fbc11c5e8a2c91f027ad187700f378b6e75392a7980dfdc80241e' 
  AND (
    token = 'jLwQ32H2TuSElfyqfuulmo/cM02Iv+qif/2sP84mf9w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042