UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UR4BD36xoy9wC6f4/zOF3vbUySNOQOjXbOqNJOIUHXM=' 
WHERE 
  key_id = 'a083c9eda57b9892a1eb3a2a4452f81d7f871e05a48eb5beeb66b84e7d760084' 
  AND (
    token = 'UR4BD36xoy9wC6f4/zOF3vbUySNOQOjXbOqNJOIUHXM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019