UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C4OAsvZuekk351QVRqpWMIK78PZRpOqqjpr0VUTOjpg=' 
WHERE 
  key_id = '8efe06f4c4a678f0e707e70eea210d0b0806f29941e5e1f76c794664428949a1' 
  AND (
    token = 'C4OAsvZuekk351QVRqpWMIK78PZRpOqqjpr0VUTOjpg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )