UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VNT6vztntcD/YvN3/W4JIdWdL5cNnvhtnqSW1IijOLs=' 
WHERE 
  key_id = '2c9fe9e45ff09190f1415b6a59244842fc9975155b4d3b1d355f50d020f943f4' 
  AND (
    token = 'VNT6vztntcD/YvN3/W4JIdWdL5cNnvhtnqSW1IijOLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )