UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fChengSWRSHbYopRNtPISoF3BZyXsBVFYQBqT44CkRk=' 
WHERE 
  key_id = '6494a3c64dfde69c5ef93dd146118e060b55ca653183c9787689675e0638d54b' 
  AND (
    token = 'fChengSWRSHbYopRNtPISoF3BZyXsBVFYQBqT44CkRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )