UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7RKMEGJa9OCg7qxKkbsVZlmhqv/PICqQCx9nCFPSLEA=' 
WHERE 
  key_id = '3451fb02b5f6e4a801ed1788a13a2b40adf4dd70025e07538993431cf16511fa' 
  AND (
    token = '7RKMEGJa9OCg7qxKkbsVZlmhqv/PICqQCx9nCFPSLEA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )