UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n42xWAt5XSsZG4LwydyrW1cIWKpoi0uXNr6Lz3/Qkzg=' 
WHERE 
  key_id = '557b6f07866dd12dc7ec01817f6dd311eca828bbad202660d90334d46dec5246' 
  AND (
    token = 'n42xWAt5XSsZG4LwydyrW1cIWKpoi0uXNr6Lz3/Qkzg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )