UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k8dBykiv4j6HZFnh9IlIkjHCK3RKG1FQ6HMiqH9cCgg=' 
WHERE 
  key_id = '461ec6b6716efee2e02ad08b6198068c0eafc1d3de0693d5bcdc51ef5e11ee91' 
  AND (
    token = 'k8dBykiv4j6HZFnh9IlIkjHCK3RKG1FQ6HMiqH9cCgg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )