UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+TMC7dQs2A3dfRJRf88TPTCv7oTi0eBAqFZx2dgGGXY=' 
WHERE 
  key_id = '351a42f6ed52dda26a0dec5fc0a817bd09a7978596be877cd198745d918aaf8b' 
  AND (
    token = '+TMC7dQs2A3dfRJRf88TPTCv7oTi0eBAqFZx2dgGGXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )