UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U1Jg0oQg34HnHZXh7mfVzaLdpom8QWHBokI8HvUz21Y=' 
WHERE 
  key_id = '2b90ba1e1786c8834aa2237755c363db0b478850fa86faa18657b59465a62879' 
  AND (
    token = 'U1Jg0oQg34HnHZXh7mfVzaLdpom8QWHBokI8HvUz21Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )