UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K/4qAYbsfx4rcx44IlGsswy8ewQvH19bwzgEnRsntGE=' 
WHERE 
  key_id = '4caf90395255566ecd927a8bccca44832c55f07763e05c2157f8f785e9d90087' 
  AND (
    token = 'K/4qAYbsfx4rcx44IlGsswy8ewQvH19bwzgEnRsntGE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )