UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0/0Jx+O5QfMPjK0QRKupbwCwAU4lfqegnPU243rKif0=' 
WHERE 
  key_id = '624ded6abc5e03db01be093597e8146f5ec43e2f22cb829fe657afbf792e4bb8' 
  AND (
    token = '0/0Jx+O5QfMPjK0QRKupbwCwAU4lfqegnPU243rKif0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )