UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LkEu+3coqFiNTHvjMo7EnH59JWgxd8009tMHSDcJDWs=' 
WHERE 
  key_id = '750c78b9d6a0a2f9fd4cec3188dad2e3c1814d0e77592b10b5f0d5e6c141fa18' 
  AND (
    token = 'LkEu+3coqFiNTHvjMo7EnH59JWgxd8009tMHSDcJDWs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )