UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OWVZBWch2iF9PrMX3vz8dbLjuFFw/d7fyG7hTWBggT8=' 
WHERE 
  key_id = '15f170cf022e0538ce006b56ebca03c330c305e934f5fe324bfa31841930783f' 
  AND (
    token = 'OWVZBWch2iF9PrMX3vz8dbLjuFFw/d7fyG7hTWBggT8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )