UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b5S7jql7dcpgDgRxybt2H/7Wa7qmhOMF4lEHYE8Icjk=' 
WHERE 
  key_id = '40e4293bdf0dc7fcda79a21b3e9bdbf8c01191fcba2a4c930f85fca44fe79788' 
  AND (
    token = 'b5S7jql7dcpgDgRxybt2H/7Wa7qmhOMF4lEHYE8Icjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )