UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I8thFl5sChxhPOa45dE2VGqBc6GOBGdAiBbEKCustOo=' 
WHERE 
  key_id = '9738bdd4b604ba1523f12fbe8fa0b5d195febb0b798af84706fd76691d8bf405' 
  AND (
    token = 'I8thFl5sChxhPOa45dE2VGqBc6GOBGdAiBbEKCustOo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )