UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4eGIbNz3QxsiFafWZuyvBYLzw4GQf6iz3UJI3pkDCxk=' 
WHERE 
  key_id = '1b5d3b57c7a592143036ea301c190a2302db424524968678e246a7d2a1115e24' 
  AND (
    token = '4eGIbNz3QxsiFafWZuyvBYLzw4GQf6iz3UJI3pkDCxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )