UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q6s7i5xEAf548HwrgedUVPw58GgXpvczeqbihmb/ubI=' 
WHERE 
  key_id = '1c97a94191d0f9eb8bb2e73b1f4a5fe941c97a18335a6207f0f9fc6bf8ee77e0' 
  AND (
    token = 'Q6s7i5xEAf548HwrgedUVPw58GgXpvczeqbihmb/ubI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )