UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dqElpci7iNz9c4+PmwThc++nvyYvOaSF1/TWJWY/maw=' 
WHERE 
  key_id = '934d37b0dd1eeeb9766e17c213bb6e82d1964085cf72340e517d60a1be1d467c' 
  AND (
    token = 'dqElpci7iNz9c4+PmwThc++nvyYvOaSF1/TWJWY/maw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )