UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z84uAhootsjZS4+kSUre1N2q0Jj053l4H/LrMMrlw/Y=' 
WHERE 
  key_id = 'a6b33c551cbd5879e330212c28ea530ab94f3f71920b773786af1f82f548089f' 
  AND (
    token = 'Z84uAhootsjZS4+kSUre1N2q0Jj053l4H/LrMMrlw/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )