UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bx5NK93qgBlKGwEUslJh3pP+PPGzKernHcdf+ADMwvI=' 
WHERE 
  key_id = '3c28a60af963e344a75e0c0fe10d505fe6737b0f14a72593678cbf268e664d8e' 
  AND (
    token = 'Bx5NK93qgBlKGwEUslJh3pP+PPGzKernHcdf+ADMwvI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )