UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MehPvfR4B1iG3eiK15cjG4bOhQ2YWRir/MEUineefrU=' 
WHERE 
  key_id = '89b746126dbdaa1153e6a36196c7754c55024e632580afd6840004e4cbe6afa4' 
  AND (
    token = 'MehPvfR4B1iG3eiK15cjG4bOhQ2YWRir/MEUineefrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )