UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LHggHSA5EBD6xIcrer/z4+ZMD35fu1tjg3UfdvqVN/k=' 
WHERE 
  key_id = '64ffacbdc0c628e1fac492b3177a4a39e839ef5834e726e0d62d80d9cc0c9ad6' 
  AND (
    token = 'LHggHSA5EBD6xIcrer/z4+ZMD35fu1tjg3UfdvqVN/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )