UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CpRK7evtYqtaEvzdDe826MnOtFMC9l3wN1aN1GNrKI0=' 
WHERE 
  key_id = '20684febb6e9071f247c790bbe5f85c7d5883f903061deede624d96858ac3f69' 
  AND (
    token = 'CpRK7evtYqtaEvzdDe826MnOtFMC9l3wN1aN1GNrKI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )