UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wDCFqr/YneogX4BK6OhVyriByn0bmBLmmPCPypIQgKs=' 
WHERE 
  key_id = '4c51509f928514e854b11730b24bf20c16270832ac801102979581bce747d08d' 
  AND (
    token = 'wDCFqr/YneogX4BK6OhVyriByn0bmBLmmPCPypIQgKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )