UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r51XMC/briWphUHpwoz4s9/iljLv4xQyOxyxTO4Bb3U=' 
WHERE 
  key_id = '8b8d474bf4c10168cd3e2708c2d347d8c80b57a8eb6e3d36f2aabf665eb70fe5' 
  AND (
    token = 'r51XMC/briWphUHpwoz4s9/iljLv4xQyOxyxTO4Bb3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )