UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cKkV9uhcFZUzKl9Wq5BEChvExzTFaEB5nJzoObPAFTk=' 
WHERE 
  key_id = '27ec9b0ba4095c371be49a77520314a956edfa54a577a096e895ca15b865a5f3' 
  AND (
    token = 'cKkV9uhcFZUzKl9Wq5BEChvExzTFaEB5nJzoObPAFTk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )