UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jh9HnDe9BBQTrnAWNhDADrHR1HtcMG7gNPhq4AOXB3I=' 
WHERE 
  key_id = '8a38b4dc78d6cfb340733fc9a1e998f93ad3f79a9fe27a97c2ff2027ec743e38' 
  AND (
    token = 'jh9HnDe9BBQTrnAWNhDADrHR1HtcMG7gNPhq4AOXB3I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044