UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'th9JVRjjTJvEqujM+IGLNv7rThtuPHk8ILMmE18HaHs=' 
WHERE 
  key_id = 'da43e11bd1e27328c927b9ce5b595a612d596984f2b73e8aa81e4f44cd1ac9e9' 
  AND (
    token = 'th9JVRjjTJvEqujM+IGLNv7rThtuPHk8ILMmE18HaHs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00014