UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6tCo4Mk95k3I/acJ5Lg3rCwETcbmBrxl6NxtT7V1fk=' 
WHERE 
  key_id = '863712af84f1daf5bc5930f9a6928d8a71b2b040a314a4c77e536152a842a877' 
  AND (
    token = 'a6tCo4Mk95k3I/acJ5Lg3rCwETcbmBrxl6NxtT7V1fk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )