UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MFLZs0bL6YR4vRJu9+9uA/9RDhbYYmXR6kL1r6nQKO0=' 
WHERE 
  key_id = '4d6c439c1e0cf7bbb151b44b2540faaac20c74dc4c8607e9373c25702655ae04' 
  AND (
    token = 'MFLZs0bL6YR4vRJu9+9uA/9RDhbYYmXR6kL1r6nQKO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )