UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'We8RP3kcUwtiFlsLJYGVlOVcCqEEOfsYFk9pT0FHGFY=' 
WHERE 
  key_id = '278c23ecc7cbf875172ce2786b19df3dcd602bbb0b01d670f289141fbdd67a17' 
  AND (
    token = 'We8RP3kcUwtiFlsLJYGVlOVcCqEEOfsYFk9pT0FHGFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )