UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LXukRgh6drwm0PGNwIdAOaNpszO/njrufjblm9mlb84=' 
WHERE 
  key_id = '751552ae98b8813b555c3b3ee549e5297c767bc3fabb663cd942580a6df82780' 
  AND (
    token = 'LXukRgh6drwm0PGNwIdAOaNpszO/njrufjblm9mlb84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )