UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T8K0o3aqVXFvBkqyAu84XRkBMVCvS4jLmUEyvfYbl4E=' 
WHERE 
  key_id = '049515e99140c97c33d2bd6d5a2a154b01640aede6bd017449fbb83590249333' 
  AND (
    token = 'T8K0o3aqVXFvBkqyAu84XRkBMVCvS4jLmUEyvfYbl4E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )