UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gmqc+U+3dhs1od9ap2lMw0NgcVd9ZDQZcCZtq1ax4WQ=' 
WHERE 
  key_id = '849985c84116a41663b40dd10f67cf2b16cdf417e1d686c06bcd38acc42c1eb0' 
  AND (
    token = 'Gmqc+U+3dhs1od9ap2lMw0NgcVd9ZDQZcCZtq1ax4WQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )