UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RgTrPBaGyScQHSqOTryWW85XRGx8dPAaDqZgMubZUgo=' 
WHERE 
  key_id = '51e3eaf5380e3048e7dd6153bf77e91ef237d0aaf47104c0dd4be1e0f2e96f06' 
  AND (
    token = 'RgTrPBaGyScQHSqOTryWW85XRGx8dPAaDqZgMubZUgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )