UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uAIiX2p+TIpBlyNaGmlrTurN6wQX096IO7YA06EZM+I=' 
WHERE 
  key_id = '6eaf8dc0fabb48ce9f2abf915da632e631aad677cff0959f96603de594fbccc1' 
  AND (
    token = 'uAIiX2p+TIpBlyNaGmlrTurN6wQX096IO7YA06EZM+I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )