UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6M3q1Blg8ZANxNHybJ7v+5idcqVWbf18FzMfyN7GDFI=' 
WHERE 
  key_id = '6e8fe1fc915e07854ec29efa7ca40625d378f5a39147475170d4f24ade754469' 
  AND (
    token = '6M3q1Blg8ZANxNHybJ7v+5idcqVWbf18FzMfyN7GDFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )