UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tKBIz1yij6djsMIaB91VgJXuqEEL86azFct/+G4KDEE=' 
WHERE 
  key_id = 'a8d4285b4db0c0a0f38e91217dfe4b004d420b4b5b6afd40ae70508ae74646ea' 
  AND (
    token = 'tKBIz1yij6djsMIaB91VgJXuqEEL86azFct/+G4KDEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )