UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z4PGC59OJwwna490ktYl1YrZpCM/GP4rbVd0EuJEpdI=' 
WHERE 
  key_id = '79faa68a1d32aac355bd1dd49a5224b63c6d6542063540560485180a3a1bf5fc' 
  AND (
    token = 'z4PGC59OJwwna490ktYl1YrZpCM/GP4rbVd0EuJEpdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )