UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ahb5gViKjUcG+PeJukdL561+fYcpnAti1/yQRlf5HoQ=' 
WHERE 
  key_id = '204e20e626ec84a036a812529e89dfcf098f4f2ee7a7debd44a997397ad70753' 
  AND (
    token = 'ahb5gViKjUcG+PeJukdL561+fYcpnAti1/yQRlf5HoQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )