UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WaWo6jwYJEBGhqVtjf6chIKXLmG/sNUjJQo8ZeIjrA8=' 
WHERE 
  key_id = '2b51f5a701d98a3c6ff0475f0b96f1d870a035c540cce6f1e468bf7ee0e0e10e' 
  AND (
    token = 'WaWo6jwYJEBGhqVtjf6chIKXLmG/sNUjJQo8ZeIjrA8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )