UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KW67Z9bMkRQOgTOwESBRihnz3b5Wlqw9amJ0f254QGg=' 
WHERE 
  key_id = '751a5c4483f6511527e5a2a11217dda44e0e83dc68f17275c86b9fc2fd36f542' 
  AND (
    token = 'KW67Z9bMkRQOgTOwESBRihnz3b5Wlqw9amJ0f254QGg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )