UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z2JqhbFtft1GvUYJim303QMSGUj2lldIzwllzEXZqOo=' 
WHERE 
  key_id = '3f340e1ba9e078628a0765745b12472ef311b41354caf5fd3508cedfc9da8120' 
  AND (
    token = 'z2JqhbFtft1GvUYJim303QMSGUj2lldIzwllzEXZqOo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )