UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTUvZFNHSXtdvx9PeOkfJz70ZDWAVxmMoX5aLMPFG1w=' 
WHERE 
  key_id = '042595fd433e5689dd3e2230910743795abb37ffe794c27606f4dda555c46e48' 
  AND (
    token = 'MTUvZFNHSXtdvx9PeOkfJz70ZDWAVxmMoX5aLMPFG1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )